Mail server and iptables/exim

[David P James]

I've been trying to setup my Debian Woody network server as a mail server as well.

At present I can send email to an account on that server from *within* the lan using the server's internet domain name (davidium.dyndns.org) in the email address, but not from outside (the connection times out, according to the Failed Mail Delivery messages I get 4 hours later). This may be iptables or it may be exim; I'm not sure. The email was sent using exim on my own Debian box within the lan; specifing an external smtp server results in a failed delivery however.

I'm using the ipmasq package that comes with Debian Woody, and I can at present access other server functions from the outside such as http and ftp, so I'm leaning towards a problem in exim.conf but as I said I'm really not sure as I can't see anything amongst the exim.conf options that should account for this.

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David P. James
4th Year Economics Student
Queen's University
Kingston, Ontario
http://members.rogers.com/dpjames/

The bureaucratic mentality is the only constant in the universe.
-Dr. Leonard McCoy, Star Trek IV


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