RE: mail queuing up for extended period[Scanne d]
- From: John Mason <John.Mason.Jr@xxxxxxxxxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Tue, 11 May 2004 13:50:20 -0400
Depending on your version of Exchange there are diffrent options you could
take.
Exchange 2003 can be set to reject unknown users during smtp.
2000 can use a 3rd party add in to do an AD/LDAP lookup of valid users.
For 5.5 I think you would need some form of a relay that could do the
lookup.
From my experience I would reccommend Http://www.canit.ca , The PRO version
has given me 19 months of no viruses, almost no spam, and no more unknown
user NDR sitting in the queue.
John
-----Original Message-----
From: Mike Liddekee [mailto:mliddekee@xxxxxxxxx]
Sent: Tuesday, May 11, 2004 12:11 PM
To: [ExchangeList]
Subject: [exchangelist] RE: mail queuing up for extended period[Scanned]
http://www.MSExchange.org/
My Exchange server responded timely. Our provider (MCI) provides backup
mail queuing services in the event our T1 is down and it appears their
servers are a bit slow to respond.
Regards,
Mike Liddekee
Network Engineer
Humco Holding Group, Inc.
7400 Alumax Dr.
Texarkana, TX 75501
Ph: (903) 831-7808 ext 697
-----Original Message-----
From: Simon Bound [mailto:simon.bound@xxxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, May 11, 2004 10:42 AM
To: [ExchangeList]
Subject: [exchangelist] RE: mail queuing up for extended period[Scanned]
http://www.MSExchange.org/
Try - http://www.dnsreport.com/ <http://www.dnsreport.com/>
Accessing your mail servers takes ages.
Simon
-----Original Message-----
From: Mike Liddekee [mailto:mliddekee@xxxxxxxxx]
Sent: Tuesday, May 11, 2004 4:22 PM
To: [ExchangeList]
Subject: [exchangelist] mail queuing up for extended period[Scanned]
http://www.MSExchange.org/
We seem to be having a problem as of late. When anyone tries to send an
outgoing email, it seems to take 10-20minutues for the message to be sent by
Exchange. I don't seem to be experiencing a problem with incoming mail. I
can send any number of test emails in from the outside and they all arrive
very fast. Its just the outgoing that seems to be affected. I do notice
that if I go to the SMTP queue there are a lot of entries for what looks
like undeliverable return messages from postmaster. It would appear that
most of these domains would be spam-related. I believe a lot of these are
probably incoming spam for users that are no longer with the company and
exchange is trying to send NDR messages to non-existent spam addresses. Any
ideas how I could clean this up a bit? Also would all of these extras cause
the delays in regular outbound email? Any help/advice would be appreciated.
Regards,
Mike Liddekee
Network Engineer
Humco Holding Group, Inc.
7400 Alumax Dr.
Texarkana, TX 75501
Ph: (903) 831-7808 ext 697
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Other Internet Software Marketing Sites:
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No.1 ISA Server Resource Site: http://www.isaserver.org
Windows Security Resource Site: http://www.windowsecurity.com/
Network Security Library: http://www.secinf.net/
Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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