Are you blocking any of MS' servers for any particular reasons? (Email, IM,
etc.)? I've noticed this scenario occurring every so often in my office
after I added multiple addresses of MSN chat/IM servers in the blocked sites
list of my firewall.
Regards,
Sean Martin, MCSE
Network Administrator
Ribelin Lowell & Company
Insurance Brokers, Inc.
3111 C Street, Suite 300
Anchorage, Alaska 99503
Ph: (907) 561-1250
Fax: (907) 561-4315
Cell: (907) 229-0885
Email: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message-----
From: Charles Whitby [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 26, 2001 8:55 AM
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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