[Dovecot] Why is "UIDVALIDITY changed" fatal?

[Chris Wakelin]

Timo Sirainen wrote:
> When all messages are expunged, UW-IMAP and newer Dovecots (2005-02-08 
> in -stable) should write a "pseudo mail" (Subject: DON'T DELETE THIS 
> MESSAGE..) to make sure the UIDVALIDITY isn't lost. Doesn't this always 
> happen with you?

I'm not sure quite why it's happening. I haven't been able to reproduce 
it on demand yet. The new UIDVALIDITY seem to indicate it's changing as 
part of the mailutil command (at about 7:15am - UW-IMAP uses time(0) as 
the value).

I've been using 1.0-stable from yesterday (2005-04-22) and it didn't 
happen to my AutoSpam folder this morning.

I let you know if I find the cause!

Chris

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Christopher Wakelin,                           c.d.wakelin at reading.ac.uk
IT Services Centre, The University of Reading,  Tel: +44 (0)118 378 8439
Whiteknights, Reading, RG6 2AF, UK              Fax: +44 (0)118 975 3094