Re: slow imap

[Adam Tauno Williams <adam@xxxxxxxxxxxxxxxx>]

> I recompiled the kernel to support the new NIC and its working just 
> fine, except for imap still being slow. I would have assumed going from 
> a 486 to a Pentium and more than doubling the clock rate would have 
> resulted in a noticable boost in performance, telneting to it is much 
> quicker. We're using fetchmail to get gather up email from various 
> accounts, and that checks every 5 minutes. Right now I'm trying to find 
> updated versions of fetchmail and imapd, but if anyone has any tips or 
> tricks to get imap to be a bit snappier I'd appreciate it.

One thing to check is your DNS.  I think imap wants to do a reverse
lookup to get the hostname of the client.  If DNS is "broken" it
might stall till that lookup times out.

Also how many messages are in your mailboxes?  I've had RH defualt imapd
get quite slow on "very" large mailboxes. 

Systems and Network Administrator
Morrison Industries
1825 Monroe Ave NW.
Grand Rapids, MI. 49505