[THIN] Re: OT:Exchange not getting certain email
- From: Rob Slayden <rslayden@xxxxxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Tue, 30 Sep 2003 11:08:01 -0700
Vince,
You have not mentioned whether you have eliminated the email relays between
your email server and the problem email server as a potential source of the
problem. I have seen problems with email relays where one adheres more
strictly to the RFC for SMTP and the other does not. If that is the case,
the way to test that would be to have them initiate a session from the
command-line on their relay to your relay as follows:
>telnet MX-Record-IP-Address 25 (telnet to your email relay IP on SMTP port
25)
They should see a response from your relay
>Helo host-name (this initiates a communication session to your email relay)
>MAIL FROM: some-valid-email-address (this would be the email of the guy you
are working with at their end)
>RCPT TO: recipient-email-addfress (this would be your email address)
>DATA (press enter and type Test or whatever; close with a period on a new
line)
If this process fails, then the problem exists between the relays and not at
your Exchange server. If this does work okay, it eliminates the relays and
puts the focus back on the email servers (which I cannot help with since I
am not well-versed in Exchange troubleshooting).
You can reference a doco at the following link for more detailed info on
troubleshooting email relays:
http://service1.symantec.com/SUPPORT/ent-gate.nsf/dc983c4134c90dfd88256c0e00
592490/2f0e329f69d1176288256c13007b1260?OpenDocument&src=bar_sch_nam
Although this is a Norton AV for SMTP Gateways doco, it details SMTP
troubleshooting from an email relay perspective.
HTH,
Rob Slayden
24 Hour Fitness, Inc.
-----Original Message-----
From: Vince Tan [mailto:VinceT@xxxxxxxxxxxx]
Sent: Tuesday, September 30, 2003 8:00 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT:Exchange not getting certain email
From the looks of things, the DNS seems to be correct.
Is there anything in exchange that might be blocking a particular domain?
Thanks for any input
Vince
-----Original Message-----
From: Magnus [mailto:magnus@xxxxxxxx]
Sent: Tuesday, September 30, 2003 10:06 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT:Exchange not getting certain email
Use the DNS checking utility on Miceandmen.com It does a thorough check of
DNS and points out issues and how to fix them
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Chris Lynch
Sent: Monday, September 29, 2003 6:59 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT:Exchange not getting certain email
I would agree that it is most likely a DNS problem. It's most likely
related to your MX record, and not the DNS A host record.
I would do a simple NSLOOKUP using some online DNS lookup utility to query
for all MX records in your zone.
Chris
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Cochran, Ken
Sent: Monday, September 29, 2003 9:15 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT:Exchange not getting certain email
It is a DNS problem, I had the same problem a couple of weeks ago, and
received that same time out message.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]
On Behalf Of Vince Tan
Sent: Monday, September 29, 2003 12:08 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT:Exchange not getting certain email
Yes they are able to ping and they were able to telnet to my
exchange server. Weird part is that they don't have any problem sending
email to other people and I don't have problem receiving email from other
senders (as far as I know).
Vince
-----Original Message-----
From: Higgins, Bob [mailto:BHiggins@xxxxxxxxxxxxxx]
Sent: Monday, September 29, 2003 11:52 AM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: OT:Exchange not getting certain
email
Can they ping your Exchange Server? Telnet to it? Sounds
like their problem, have them adjust their max connection time.
Bob Higgins, MCSE
Information Systems Server Administrator
Chinook Health Region
960 19th Street South
Lethbridge, Alberta
T1J 1W5
www.chr.ab.ca
Phone: (403) 382-6338
Fax: (403) 382 6046
E-mail: bhiggins@xxxxxxxxx
-----Original Message-----
From: Vince Tan [mailto:VinceT@xxxxxxxxxxxx]
Sent: September 29, 2003 9:43 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] OT:Exchange not getting certain email
Just wondering if anyone can shed some light to this
mystery of mine. My exchange 2K server seems to be running fine but one of
our vendor can not get through. Everytime they send an email to us, they
get "Recipient's server exceeded time for connection". It seems to be
blocking their domain name but I can't find the block anywhere in my system
including firewall. Any idea?
Thanks for any input
Vince
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