Sendmail has had an imfamous past, but according to the security focus
database, there have been only 5 vulnerabilities in the past four years.
Only one last year and that one has no known exploit. Is sendmail still
that bad? Why does everyone still bash it? Is just because they were
burned badly by an experience? What about the version that comes with
OpenBSD? Forgive my ignorance but I've never had to admin a UNIX based mail
system and I'm currently debating on which one to learn.
I'm interested in your thoughts and ideas. I'm mainly interested in
preferences supported by features, security, tuning, maintainence, etc and
not just "qmail rules". Please reply to me directly as this is a firewalls
list and I do not wish to start a holy war.
Mike
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of
[EMAIL PROTECTED]
Sent: Thursday, December 28, 2000 7:34 AM
To: Hans Scheffers; [EMAIL PROTECTED]
Subject: Re: sendmail config
Hans,
#Can anyone give me a clue how to configure sendmail (or maybe qmail or so)
#to receive mail for my domain and send it to our server, where there are
#users and to collect mail from the server and forward i to the internet?
Advertize your firewall in DNS as the mail server for your domain. Use the
mailertable on your firewall to deliver mail from the Internet to your
internal mail server. If you are going to use Sendmail I would highly
suggest that you get the O'Reilly Sendmail book. I have found it to be
very useful. You can also find some good info at www.sendmail.org. You
may want to consider running a Sendmail server on your DMZ and just have a
proxy on the firewall then allow the DMZ mail server to send mail to your
internal mail server. BTW, postfix may be a better solution for the DMZ
mail server.
Regards,
Jeffery Gieser
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