SBS ISA/DNS/Exchange issues - cannot conenct to SMTP or other servers...
- From: "Lynton Mack" <mitboy@xxxxxxxxxxxxxx>
- To: isalist@xxxxxxxxxxxxx
- Date: Sun, 24 Mar 2002 17:18:52 -0700
OK, here goes...
I have setup a SBS2000 server on a small network. The external domain
name is different from the internal domain name i.e. external =
company.com and internal = company.local.
Symptoms: unable to connect to SMTP servers (internal mail and incoming
mail OK - outgoing no good) (either via or around Exchange) or other
servers.
For example: unable to read messages from ISAserver.org but able to
display list of headers. Unable to query MS-KB (bugger, that) or log in
to websites like Yahoo, MSN, etc.
Thought it was initially related to Exchange or ISA but had same problem
when conencting using Internet-Mail to different server.
Followed article regarding SMTP mail setup - nslookup with type mx to
microsoft.com resolves OK.
Filters, Protocols, etc have been set up for ISA to allow UDP/TCP pakets
for DNS queries and Zone Transfers as well as SMTP Outpound (53).
So, ISA and Exchange look OK - as far as I can tell. Perhaps it is DNS
related - does anyone out there know?
I've had this annoying problem for weeks (due to a crash/rebuild) and I
know/hope it is something simple I have missed.
Thanks for your time...
Lynton
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