v1.3.1 — refreshed brand and a polished activation flow. Same software, sharper edges. → Download the latest build
Precision Inbox Intelligence
A professional desktop tool for bulk email account testing, archiving, and exporting — built for RDP power users, mailer operators, and email marketers.
EMS Mail Fetcher is a native desktop application that lets you load a list of email accounts, test them in parallel, fetch and archive messages, and export results — all without touching a browser or writing a single line of code.
Built for email marketers, mailer operators, and power users who need to process hundreds of accounts fast — on any Windows or macOS machine.
| Protocol | Auth Method | Notes |
|---|---|---|
| IMAP / IMAPS | Password | Port 143 (STARTTLS) or 993 (SSL) |
| POP3 / POP3S | Password | Port 110 or 995 |
| Gmail | OAuth 2.0 | No app password needed |
| Outlook / Office 365 | OAuth 2.0 (MSAL) | Works with modern auth |
| Exchange (EWS) | Password / NTLM | On-premise + hosted |
- Load accounts from
.txtor.csv—email:passwordformat (UTF-8 and UTF-16 BOM files supported) - Auto-detect IMAP/SMTP server via DNS MX lookup (no manual config needed)
- 223-entry server preset library — Gmail, Yahoo (20+ TLDs), Outlook/Live/Hotmail (25+ locales), Russian, Chinese, Korean, Japanese, Brazilian, German, French, Italian, US ISPs, privacy providers, and more
- Automatic fallback: if no preset matches, tries the domain itself as the IMAP/POP3 host
- Multi-server retry — each preset lists alternate hostnames tried in order before giving up
- 5 worker threads by default (configurable up to 20)
- Per-account status tracking:
Connecting → Running → Finished / Error - Login-only mode — verify credentials without downloading any mail
- Date range filter (From / To) — server-side IMAP
SINCE/BEFOREfiltering; saves bandwidth - Keyword search — IMAP
TEXTsearch applied at the server before downloading - Error codes in status column —
[AUTHENTICATIONFAILED],[TIMEOUT],[SSL_ERR],[DNS_ERR],[REFUSED] - Auto-reconnect with exponential back-off (up to 3 retries)
- Short-username fallback — retries with
userifuser@domain.comfails auth - Non-English folder names decoded correctly (Russian, Chinese, Arabic, Japanese)
- Configurable connection timeout (30 s default)
- SQLite local database — no cloud required
- Full email storage: headers, body, attachments
- Folder-aware: fetch Inbox, Sent, custom folders
- Date-range and UID-based filtering to avoid re-fetching
| Format | Contents |
|---|---|
| CSV | Sender, recipient, subject, date, body snippet |
| Excel (.xlsx) | Same as CSV, formatted with openpyxl |
| .eml | Raw RFC-2822 message files |
| vCard (.vcf) | Extracted contacts from address fields |
- Passwords encrypted at rest using Fernet (AES-128-GCM)
- No passwords ever leave your machine
- Hardware-tied license (machine UUID — not dependent on software state)
- Self-healing activation: survives Python upgrades and system updates without re-activating
- SOCKS5 proxy with optional username/password
- Supports
socks5://user:pass@ip:portandip:port,user,passformats - Applied to all IMAP and POP3 connections
- Configure once in Settings — persists across sessions
- Premium dark UI (default) with glowing teal accents
- Clean light theme — switch instantly from the toolbar
- High-DPI / Retina-ready
- Checks for new versions on every launch (silent, no interruption)
- One-click update notification banner when a new version is available
- Download
EMS_Mail_Fetcher_Windows.zipfrom the latest release - Extract the zip
- Run
EMS_Mail_Fetcher.exe - Enter your license key on first launch
No installation required — fully portable. Works on any Windows desktop, laptop, server, VPS, or RDP environment.
- Download
EMS_Mail_Fetcher_macOS.zipfrom the latest release - Extract and drag
EMS Mail Fetcher.appto your Applications folder - Right-click → Open on first launch (Gatekeeper bypass for unsigned builds)
- Enter your license key
EMS Mail Fetcher is a commercial product. Licenses are sold per device and are hardware-tied — no cloud check-in required after activation.
Contact via Telegram to purchase a license key.
👉 Telegram: @retiredems 🤖 Bot: @emsmailerbot Each license is valid for a single machine. If you reinstall Windows or move to a new RDP server, your license transfers automatically — no re-activation needed.
Load a plain text or CSV file with one account per line:
email@example.com:password123
another@gmail.com:mypassword
user@outlook.com:securepass
The app auto-detects the mail server for each domain via DNS MX lookup. You can override the server in Settings if needed.
| Windows | macOS | |
|---|---|---|
| OS | Windows 10 / 11 (64-bit) | macOS 11+ (Intel or Apple Silicon) |
| RAM | 256 MB minimum | 256 MB minimum |
| Disk | 150 MB | 150 MB |
| Network | Required | Required |
Works on any Windows 10 / 11 desktop or laptop, and Windows Server 2016 / 2019 / 2022 including VPS and RDP environments.
- 223-entry server preset library — Yahoo (20+ TLDs), Live/Hotmail (25+ locales), Russian (Mail.ru, Yandex, Rambler), Chinese (163, 126, QQ, Sina, Sohu), Korean, Japanese, Brazilian, German, French, Italian, UK/Canadian/Australian, Polish, Czech, Israeli, Turkish, Scandinavian, major US ISPs, and privacy providers (ProtonMail, Tutanota, Fastmail, Zoho, and more)
#domain#auto-fallback — any unrecognized domain automatically attempts IMAP/POP3 using the domain itself as the hostname — nothing gets skipped- Multi-server retry — alternate hostnames tried in order before reporting failure
- Live MX record lookup — DNS resolved before falling back to hostname patterns
- Short-username fallback — retries with
userifuser@domain.comfails (required by many ISP and corporate servers) - Login-only mode — verify credentials across hundreds of accounts without downloading mail; each reports "Login OK ✓" or the exact error code
- Date range (From / To) — server-side IMAP
SINCE/BEFOREfiltering; leave blank to fetch everything - Keyword search — IMAP
TEXTsearch at the server before downloading saves bandwidth and time
- Non-English folder names — IMAP modified UTF-7 fully decoded (Russian, Chinese, Arabic, Japanese)
- BOM-safe file loading — UTF-8/UTF-16 BOM in email:pass files handled correctly on all platforms
- Error codes in status column —
[AUTHENTICATIONFAILED],[TIMEOUT],[SSL_ERR],[DNS_ERR],[REFUSED]shown per account - Auto-reconnect — dropped connections mid-fetch re-established silently (up to 3 retries)
- AOL & slow-server fix — per-connection deadline prevents stuck threads blocking the whole run
- Exchange (EWS) crash fixed — Exchange accounts now use a dedicated code path
- Comma-format proxy — accepts
ip:port,user,passin addition to URL format - Right-click Copy Domain / Copy Server — new context-menu actions on account rows
- From / To date fields + keyword bar — dedicated filter row below the toolbar
- Initial public release
- IMAP, POP3, Gmail OAuth, Outlook OAuth, Exchange (EWS) support
- Parallel fetch engine with 5 worker threads
- CSV, Excel, .eml, vCard export
- Dark / light theme
- SOCKS5 proxy support
- Hardware-tied license with self-healing activation
- Built-in update checker
Open an issue on GitHub for bug reports and feature requests.
Built with precision by Retiredems · Powered by PyQt6