PigeonPost

Spec sheet

Product

PigeonPost is a free, open-source desktop email client with a built-in calendar and contacts.Read 9 Oct 2026 · pigeonpost.ink

Intended users

The maker describes PigeonPost as suited to people using IMAP or POP3, supported provider accounts, or Microsoft accounts through Microsoft sign-in.Read 9 Oct 2026 · pigeonpost.ink

Free plan

YesRead 23 Sep 2026 · pigeonpost.ink

Integrations

Provider presets cover Gmail, iCloud, Yahoo, Zoho, Fastmail and StartMail using app passwords; Microsoft accounts use browser sign-in.Read 9 Oct 2026 · pigeonpost.ink

Security

Passwords and Microsoft sign-in tokens are stored in the operating system keychain, and message HTML is sandboxed with remote images blocked until loaded.Read 9 Oct 2026 · pigeonpost.ink

Privacy

The maker says PigeonPost has no telemetry, account or cloud relay; its local cache is not encrypted at rest.Read 9 Oct 2026 · pigeonpost.ink

App coverage

desktopRead 23 Sep 2026 · pigeonpost.ink

Calendar and contacts

The calendar supports recurring events, reminders and .ics import and export, while contacts support vCard and CSV import and export.Read 9 Oct 2026 · pigeonpost.ink

Calendar tools

YesRead 23 Sep 2026 · pigeonpost.ink

Compatibility limit

Google Workspace work or school accounts are unsupported because they require OAuth and do not accept app passwords.Read 9 Oct 2026 · pigeonpost.ink

Local-first

Mail remains with the user's email provider while PigeonPost keeps a local copy for offline use.Read 9 Oct 2026 · pigeonpost.ink

Mail features

Features include multiple accounts, an optional unified mailbox, message templates and drafts, filter rules, snoozing and conversation view.Read 9 Oct 2026 · pigeonpost.ink

Mail protocols

The client supports IMAP and POP3 mailboxes and uses SMTP for sending mail.Read 9 Oct 2026 · pigeonpost.ink

Offline access

YesRead 23 Sep 2026 · pigeonpost.ink

Offline search

Search runs against a local index and can find subjects, senders, recipients, attachment names and the full text of opened mail while offline.Read 9 Oct 2026 · pigeonpost.ink

Platform details

Downloads are available for 64-bit Windows 10 or 11, Apple Silicon Macs and Linux distributions with Flatpak.Read 9 Oct 2026 · pigeonpost.ink

Scheduled sending

YesRead 23 Sep 2026 · pigeonpost.ink

Support and license

PigeonPost is released under GPL-3.0 with its source on GitHub, and the maker invites donations to support maintenance and development.Read 9 Oct 2026 · pigeonpost.ink

Unified inbox

YesRead 23 Sep 2026 · pigeonpost.ink

Plans and prices

Every PigeonPost plan and price →

Where Specifiction places it

• Email clients#30 of 1428.4