imapsync
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Description:
Migrate or backup IMAP mail accounts
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Productivity
Tags: email imap sync backup migration
Install: brew install imapsync
About:
Imapsync is an IMAP tool for migrating or backing up email accounts between two servers. It works by synchronizing mailboxes, preserving flags and message structure, and can run across various platforms. Its main value is providing a reliable, stateless way to transfer mail without requiring server-side access.
Key Features:
  • Cross-platform IMAP synchronization
  • Preserves message flags and structure
  • Stateless operation (no server installation required)
  • Selective sync via filters and patterns
  • Robust error handling and retry logic
Use Cases:
  • Migrating email from one provider to another
  • Creating regular backups of an IMAP mailbox
  • Synchronizing mail between a local server and a cloud provider
Alternatives:
  • offlineimap – Open-source; syncs to local Maildir, not directly between servers
  • mbsync – Fast and efficient; primarily for local sync, less focused on server-to-server migration
Version History
Detected Version Rev Change Commit
Dec 29, 2025 3:55pm 1 REVISION_ONLY aa33428f
Sep 26, 2025 8:49pm 0 VERSION_BUMP 7167bd97
Sep 26, 2025 12:04pm 0 VERSION_BUMP 52751e30
Sep 12, 2025 12:14pm 1 VERSION_BUMP f304a611
Oct 22, 2024 11:21am 1 VERSION_BUMP 9a578a46
Oct 22, 2024 4:03am 1 VERSION_BUMP 7170fc15