On Sun, 2007-03-18 at 18:22 -0700, Alex Boster wrote: > Is there a way to upgrade from rc26 to rc27 without causing our POP > users to see duplicate new mail? That was a problem last week with > the 0.99 to 1.0rc26, and the other admin on the box is reluctant to > upgrade again if that is going to happen again...
I guess you used a different pop3_uidl_format. See http://wiki.dovecot.org/UpgradingDovecot
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