LMTP during dsync migration

[Michael Grimm]

Hi --

On 2014-07-31 12:05, Jogi Hofmüller wrote:
> Am 2014-07-30 17:36, schrieb Reindl Harald:

>> why do you need dsync at all for such a migration?
> 
> Migrating from cyrus to dovecot in a transparent manner.

And additionaly, if one wants to switch mailbox formats whilst 
migration. Dsync is great in that scenario.

I did so, migrating from a dovecot 1.2.x to 2.x server in the past. Not 
many users, not many mail involved. Technically I did what has been 
proposed already: Running an initial dsync run, running periodic 
differential sync until final switch. During switch I had had to shut 
down dovecot for a short time.

In the meantime I use something like to block users during maintainance:

passdb {