RE: Split DNS Questions...
- From: "Ball, Dan" <DBall@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 25 Apr 2005 10:11:36 -0400
I'm running into more and more problems with outgoing SMTP errors. They
seem to all tie back to using multiple ISPs on the ISA server. The
Internal DNS resolution seems to be working fine.
A lot of e-mail servers are now doing reverse DNS lookups before
accepting a message, so I need to have that name resolved correctly.
Hopefully a Split DNS will solve that for me.
Also, this morning I was notified of incoming mail being rejected also
with an "unrouteable address" error. While I think is most likely a
problem with the sender's SMTP server, I can't be 100% certain. If I
can get an authoritative DNS server in here that we can control, it will
allow us a lot more flexibility.
-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Monday, April 25, 2005 09:52
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Split DNS Questions...
http://www.ISAserver.org
Hi Dan,
Split DNS isn't an ISA question.
The core issue is how you configure DNS internally.
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