Problem sending email out of Exchange 2003
- From: Andrew B. Abrams <AndrewBAbrams@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 9 Oct 2008 13:35:02 -0700
All of a sudden, I cannot send email out of Exchange using DNS to send email
directly from the SMTP server. When I look at the SMTP Queue, it is just
jammed with emails it is re-trying to deliver. I use Time Warner Cable
Business Class Road Runner and haven't had this issue before. If I setup the
SMTP connector to smtp-server.wi.rr.com, then email goes out as it is
relaying through TWC. This is ok, but I prefer not to use a connector if I
don't have to. The main reason is we have a failover Internt to Covad DSL.
If the TWC is down, and we are on failover, then I cannot even relay to TWC's
SMTP servers as they block the relay from the Covad IP block (or Covad is
blocking us from getting to TWC)
TWC says they aren't blocking us on Port 25 nor is our domain nor IP block
in any block lists.
Is there anywhere I can look, or things I can test, to see why I cannot send
email from Exchange via DNS rather than using the SMTP connector?
.
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