Out of Topic: IMAP

[Roger Jochem]

Just curoius... How much of disk space have you for that use?  

----- Original Message ----- 
From: "Richard Frovarp" <Richard.Frovarp at sendit.nodak.edu>
To: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
Sent: Friday, February 09, 2007 2:14 PM
Subject: Re: Out of Topic: IMAP


> Res wrote:
>> On Thu, 8 Feb 2007, Roger Jochem wrote:
>>
>>> Since almost everyone here nows a lot about e-mail, server 
>>> configuration, and that kind of stuff, I was wondering: how many of 
>>> you use IMAP instead of POP3 for mail access?
>>>
>>
>> We use imap on localhost only for webmail, remote users don't have 
>> access to it and use pop3.
>>
>> On other servers that use maildir format, no imap, they use sqwebmail 
>> and pop3 which serves very well.
>>
>> A downside to imap is the constant login-do_request-logout
>> so you'd need some sort of proxy on heavy use servers or your log 
>> spool will be full in a day :)
>>
>> If I have to build more? It would be pop3.
>>
> We run imapproxy on our webmail boxes. This is a requirement just due to 
> how webmail works. We have a moderate horse powered box (Dual 2.4 Xeon, 
> 2GB of RAM) handling 13K users all running IMAP via webmail or stand 
> alone client. The one that handles 19K users has slightly more power 
> behind it, only due to the fact it used to be the oldest and was up for 
> replacement.
> 
> The boxes were heavily overloaded back when they were calling 
> SpamAssassin. Having MailScanner on machines in front has fixed that 
> problem. Indexed (mbx format) inboxes also helped.
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