SMTP bastion host

i need to make a bastion host which is running sendmail 8.10.1 and sits in the DMZ to accept all incoming emails and forward it into an internal ms exchange server. i also need it to act as a relay server to the outside world for the exchange server.

can anyone point me in the right direction?

thank you
clavalleeAsked:
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chris_calabreseCommented:
www.sendmail.org.
And 8.10.1 is woefully out of date from a security standpoint.
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djluffCommented:
You might want to consider exim (www.exim.org) as an alternative unless you really have to run sendmail. It's has a better security history and is much easier to configure.
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CleanupPingCommented:
clavallee:
This old question needs to be finalized -- accept an answer, split points, or get a refund.  For information on your options, please click here-> http:/help/closing.jsp#1 
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Post your closing recommendations!  No comment means you don't care.
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paullamhkgCommented:
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is to:

Be PAQ'd/Points No Refunded

Please leave any comments here within the next seven days.

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Paul
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RomModCommented:
Finalized per recommendation.

RomMod
Community Support Moderator
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