Miserable performance of cyrus-imapd 2.3.9 -- seems to be locking issues

[Larry Rosenbaum]

> From: info-cyrus-bounces at lists.andrew.cmu.edu [mailto:info-cyrus-
> bounces at lists.andrew.cmu.edu] On Behalf Of Pascal Gienger
> 
> As a rule of thumb, do not use skiplist for the duplicate delivery
> suppression database (deliver.db). Even if everybody hates it, use
> BerkeleyDB, Version 4.4.52 or higher.

Are you sure about that version?  I can find 4.2.52, but I can't find 
any 4.4.x higher than 4.4.20 (but there is 4.6.21).