Imapsync

Imapsync is a versatile email migration tool that allows users to easily transfer emails between different IMAP email servers. It supports various features such as incremental sync, folder hierarchy preservation, and SSL encryption, making it a reliable choice for seamless email migration.

Installation

To install Imapsync system wide add the following line to your system configuration

/etc/nixos/configuration.nix

environment.systemPackages = [ pkgs.imapsync ];

Usage

Following example transfers all mails from server mail1.example.org to mail2.example.org via IMAP protocol using supplied credentials

imapsync \
  --host1 mail1.example.org --user1 user1 --password1 "secret1" \
  --host2 mail2.example.org --user2 user1 --password2 "secret1"