dovecot - Aug 2017 - user data transfer when migrating to new server

voytek at sbt.net.au writes:
> I've tried imapsync, that seems to work well, but, what options do I
have
> for doing accounts or domains where I don't know user's password ?
It depends on whether you're copying from an existing dovecot you control,
but you can use the master password extension user={user}*{masterid},
password={masterppassword} in place of {user}/{userpasswqord} for imapsync
to get the job done.

Joseph Tam <jtam.home at gmail.com>