[Dovecot] "Maintenance instance"

[Timo Sirainen]

On 24.10.2010, at 18.46, Michael M. Slusarz wrote:

>>> Wouldn't a client that keeps local copies of all IMAP boxes then
>>> synchronize to that canned state, i.e., delete all locally cached
>>> mails?
>> 
>> I'm pretty sure they will. I'm not aware of any good way to handle
>> this, other than ALERTs.
> 
> Isn't this the exact reason to return the UNAVAILABLE response (RFC 5530)?

Yeah, but that's a pretty new RFC and I don't think there are many (if any..) clients that support it. Still, it is what Dovecot uses for reporting "internal authentication failure".