I've just got m0n0wall installed on a hardware device, and I'm trying to understand
how I can force all outbound traffic to a particular port for SMTP.
My ISP requires all SMTP traffic go via their mailserver. However, I've got a lappy
that I carry around the place and plug into places that don't have that restriction.
I've had a hand-crafted Linux firewall for years, and what I used was portfw and
some ipchains firewall rules to do the trick.
Basically, I'm looking for a way such that all internal traffic with a destination
of *:SMTP is redirected to mail.sucky-isp.com:25
Clues would be gratefully accepted.
Jon Eaves <jon at eaves dot org>
Co-Author of "Apache Tomcat Bible", "Professional Tomcat 5", "Beginning JavaServer Pages"