[Dovecot] One dovecot, multiple domains

Ben bench at silentmedia.com
Wed Feb 15 23:00:15 EET 2006


Well, that makes sense. Unfortunately it's not the answer I was looking for, 
even if it is an accurate one.

On Wed, 15 Feb 2006, Gunter Ohrner wrote:

> Am Mittwoch, 15. Februar 2006 19:54 schrieb Ben:
>> Am I missing something obvious, or asking the impoosible?
>
> It would not make much sense probably even is impossible:
>
> I don't know if IMAP supports something like SMTP's STARTTLS where you can
> "convert" a plain channel to an SSL protected one. (At least that's how I
> understood it.)
>
> Using IMAPS the SSL channel is already established before authenticating,
> so how should dovecot be able to select the right certificate?
>
> If there is something like STARTTLS you would have to switch to SSL after
> sending the login name but before sending the passwort, which probably is
> not supported and which would reveal the login name to any attacker
> anyhow...
>
> That's basically the same reasons why there can't be different https sites
> on the same host. (IP/port combination to be precise.)
>
> Greetings,
>
>  Gunter
>
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