firewall ports needed for spamassassin

[Steve Campbell]

I am having a real problem with spamassassin (configured through
MailScanner). I have discovered that when I turn on any RBL checks
with/within MailScanner, I get timeouts on all of them. I do not see
anything when the checks are done with spamassassin.

This machine is behind a firewall. Do I need anything opened up in the
firewall to allow the RBL checks to occur.

I'm just grasping at straws here. I've about wore Mr. Fields out with
questions. Sorry.

Steve Campbell