I don't think this problem is an Exchange one as we use Domino, and we have
the same issues - some emails just sit in the out-box for hours until they
are sent. Which makes for interesting coversations with our Notes
Administrator since he knows jack about anything except notes (he tells me
it's a DNS error and I point out that DNS is resolving the name fine, so he
tells me it must be a DNS error because that's what Domino says, and I
again point out that the server he's running on can resolve the name fine,
so he tells me it's a DNS error... etc etc etc)
Maybe there is something out there controlling SMTP traffic ... Mulder and
Scully, where are you when we need you... (it's all a plot!)
"Goldoff,
Erik" To: "NT System Admin Issues"
<egoldoff@hbha <[EMAIL PROTECTED]>
m.com> cc:
Subject: RE: E-mail oddities
26/09/2001
22:11
Please respond
to "NT System
Admin Issues"
we had a similar situation and found that the DNS of one ISP had more
problems with the MS sites, so on the Exchange Server we (thanks Luke!)
changed the primary DNS to a different ISP's primary and it worked pretty
well.
Erik Goldoff
Systems Manager
The HoneyBaked Ham Company
678-966-3320
[EMAIL PROTECTED]
-----Original Message-----
From: Charles Whitby [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 26, 2001 12:55 PM
To: NT System Admin Issues
Subject: E-mail oddities
I've noticed that there are some outgoing e-mail messages bound for
recipients at certain e-mail addresses (most noticably addresses at MSN)
that seem to sit in the outbound queue of the IMS for extended periods
of time before being delivered. They show a condition of [host
unreachable]
while they are in the queue. However, I can ping and do nslookups on the
sites and get responses. The messages almost always eventually get
delivered, but it may take hours. The remaining (and vast majority) of our
e-mails go through fine.
In one instance I can telnet via port 25 to the external exchange server
and
generate an e-mail
that they will receive. If I do the same thing via our exchange server,
the
message to them remains
stuck in the queue. Another oddity: if I send a message to
[EMAIL PROTECTED] (instead of [EMAIL PROTECTED])
my exchange server sends it on immediately. Of course their server spits
it
back saying there's no such addressee.
We're runnign Exchange 5.5 SP3 on NT4SP6.
I would appreciate any insights or hints as to what to look for.
Thanks.
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