[100391] in RedHat Linux List
how secure are sendmail and POP3 on Red Hat?
daemon@ATHENA.MIT.EDU (Justin Kuntz)
Fri Nov 20 10:35:02 1998
From: "Justin Kuntz" <jkuntz@prominic.com>
To: redhat-list@redhat.com
Date: Fri, 20 Nov 1998 09:33:40 -0600
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
We have a pretty tight firewall configuration right now which allows
inbound mail traffic only to our Lotus Domino server. Recently, we have
been wanting more advanced aliasing functions than Domino v4.6 can provide
to Internet users... so I am reviewing the options. Using the default
'sendmail' system that comes with Red Hat v5.1 as the 'aliasing MTA' for
our domain seems like a good choice.
I am wondering: is it fairly safe to open only the SMTP port to sendmail
running on Linux? I thought a while ago this was considered a big security
hole. What about POP3? Are there "safer" versions of these services that
are in wide use on Linux? The functionality we seek is fairly simple
compared to all of the features of sendmail, which as everyone knows is a
vast MTA package.
Thank you,
Justin
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