[Dovecot] Dovecot performance under high load (vs. Courier)

[Michael M Slusarz]

Quoting Ed W <lists at wildgooses.com>:

> I think the conclusion is that imapproxy is not necessary.  There  
> are some advantages (eg with high network latency between web and  
> imap server, and reducing apparent login count), and some  
> disadvantages (extra complexity, slowdown)

Not entirely true.  See this thread:

http://markmail.org/thread/z7ctwle2go6zafas

Thread in short: imapproxy provides benefits for more MUAs that take  
advantage of the XIMAPPROXY feature (only IMP, AFAIK), and Timo is/was  
considering adding a similar state saving feature to Dovecot 2.2.

michael