Larch
Tool for one-time IMAP mailbox migration
This project is archived. Upstream development has stopped, so expect no new features or security fixes. Consider an actively maintained mail servers alternative.
Larch is a utility that copies messages and folders from one IMAP server to another, useful for migrating mailboxes when moving to a self-hosted mail server. It preserves flags and folder hierarchy.
Key features
- One-time IMAP mailbox migration
- Preserves flags and folders
- Server-to-server copy
Strengths
- Released under the GPL-2.0 license
- Written in Ruby
- Tiny footprint — runs in 128 MB RAM
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