[TriLUG] email (imap) setup question

Jim Ray jim at neuse.net
Mon Dec 30 10:25:18 EST 2002


hmmm.  isn't port 113 pop3?  me thinks we need only port 25 for smtp.

	-----Original Message----- 
	From: Henryk M. Kowalski [mailto:kowalski at easternrad.com] 
	Sent: Mon 12/30/2002 10:19 AM 
	To: trilug at trilug.org 
	Cc: 
	Subject: [TriLUG] email (imap) setup question
	
	

	Sanity/config check needed, please.
	Searching on Google didn't turn up much that was of help to me...  :(
	
	I've set up an email server at home.
	It's on a DMZ behind my firewall.
	Running Mandrake 8.2, postfix and imapd, latest updates on all.
	
	SMTP works fine but imapd was breaking some of my email clients and caused
	long connection delays with others.
	
	Looking at the firewall logs I noticed that each time I tried to login to
	check my email the mail server was trying to connect to my client machine
	on port 113 (auth) and would sit there until it timed out.  Once I opened
	the port to allow the connection the problems with the connection
	went away and my email clients are happy and very responsive. 
	I get instant connectivity to my email.
	
	I'm curious, because this (open 113 port) doesn't seem to be necessary
	when accessing other (external) email servers.
	What am I missing?
	Is my imapd misconfigured?
	If so, where/what do I need to change?
	Is there a reason to avoid the open 113 port from my DMZ?
	
	Thanks in advance,
	
	--hmk
	
	
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