8 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Authentication? O...
FromSent OnAttachments
Gordon FindlayAug 5, 2002 12:16 am 
Juha SaarinenAug 5, 2002 1:50 am 
Jonathan CalvertAug 5, 2002 7:43 am 
Mogens ValentinAug 5, 2002 10:29 am 
Moshe GurvichAug 5, 2002 5:54 pm 
Paul ReillyAug 7, 2002 4:03 am 
Ian CassAug 7, 2002 5:11 am 
Randall ShawAug 7, 2002 9:18 am 
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Subject:Re: [courier-users] Authentication? Outlook Express?Actions...
From:Jonathan Calvert (jeca@unity.ncsu.edu)
Date:Aug 5, 2002 7:43:42 am
List:net.sourceforge.lists.courier-users

Perhaps if I reword my problem this way people might know what I'm on about!

Has anyone a dummy's guide to configuring Outlook, and Outlook Express, as clients to an Courier server? In particular, the settings fior Home Direcory etc. on the IMAP tab.

Are there any settings on the server to look out for or modify?

I think I found the answer to a very similar problem.

We have a T1 line. The mail server has it's own IP address in our range and our LAN is on another IP. Basically, all traffic from our LAN comes from the same IP. There is a setting in the imapd configuration, /usr/lib/courier-imap/etc/imapd by default that has a setting for the number of connections from a single IP address to accept. It is MAXPERIP. Well, by default it was set to 4. It appears that Outlook Express, at least, keeps the IMAP connection open. So when you have a LAN of 50 users, it doesn't take very long for those 4 connections to fill up. It appears that if this limit is reached, the server thinks it is an attack and stonewalls connections from that IP. This just re-affirms my belief that Outlook and Outlook Express are evil.