[Dovecot] Dovecot 1.2/2.0 coexistence guide?

[Timo Sirainen]

On 5.12.2010, at 16.40, Tom Talpey wrote:

> I am running Dovecot 1.2.16 and considering moving up to 2.0.8.
> I have found <http://wiki2.dovecot.org/Upgrading/2.0> but there's
> not a lot about deploying a 2.0 server alongside an existing 1.2.
> Any hints on a seamless approach to this, especially one that might
> allow me to upgrade individual users in place, without moving their
> maildirs into a new tree and still avoid issues with 1.2/2.0 sharing
> access?


Added to wiki: Once running v2.0, it's safe to downgrade to v1.2.5 or newer. Older versions don't understand some of the changes to index files and will log errors.

It's also safe to run v1.2 and v2.0 in parallel, even accessing the same index files.