IMAP Migration Tools

Dave Richards dave at
Thu Nov 28 22:16:11 EET 2019

Dovecot’s own dsync.

Your life will now change forever...

> On 29 Nov 2019, at 01:48, Julian Kippels via dovecot <dovecot at> wrote:
> Hi,
> I am looking for tools to migrate Mails from one IMAP-Server to
> another. Until now I have always used imapsync, but it seems very
> slow. Even over a 2x10GB/s connection I only get speeds of about
> 600KiB/s, because the programm always pauses betweeen every single
> mail.
> Does anyone here have a suggestion for an alternative?
> Thanks in advance
> Julian

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