Educause Security Discussion mailing list archives

Re: Blocking port 25 outbound


From: Michael Sinatra <michael () RANCID BERKELEY EDU>
Date: Mon, 22 Aug 2005 16:47:17 -0700

Information Security wrote:

2) you have a SMTP host for 'outside' clients which has the same name as
for
inside, but which insists on SMTP AUTH whereas the internal one takes
connections
from anyone with a valid IP in your own subnets.

Did I read the above correctly or did you just largely defeat the
purpose of blocking port 25 outbound?

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