[THIN] Re: OT:Exchange not getting certain email
- To: <thin@xxxxxxxxxxxxx>
- Date: Tue, 30 Sep 2003 15:33:34 -0400
Ryan, thanks for the info. I will have them try again. The last time
they tried the telnet, it was their ISP that tried it and got connected.
They did not try to send any mail from it. I am not sure if they will
be able to send because I did shut down most of the relay functionality
Vince
-----Original Message-----
From: Ryan Lambert [mailto:rlambert@xxxxxxxxxxxxxxx]
Sent: Tuesday, September 30, 2003 1:09 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT:Exchange not getting certain email
Hopefully my client/the list didn't tear that formatting up. If so,
here's a retry.
-----Original Message-----
From: Ryan Lambert
Sent: Tuesday, September 30, 2003 1:06 PM
To: 'thin@xxxxxxxxxxxxx'
Subject: RE: [THIN] Re: OT:Exchange not getting certain email
Can they telnet to your Exchange Server from their SMTP Server? You
didn't specify earlier whether it was workstation or from server.
If so, have them telnet to your mail server on port 25 and issue the
SMTP commands to send an e-mail to you. Servers will sometimes come back
with a message different than what they display on their bounce message.
To test, have your vendor issue the helo, mail from:, rcpt to:, and
data/quit commands as follows: (From their SMTP server console, if
possible)
Z:\>telnet $YOUR_EXCHANGEBOX 25
220 $YOUR_EXCHANGEBOX Microsoft ESMTP MAIL Service, Version: $VERSION
ready at Tue, 30 Sep 2003 12:57:22 -0400
helo test
250 $YOUR_EXCHANGEBOX Hello [their.ip.addr.here]
mail from: their@xxxxxxxxxxxxx
250 2.1.0 their@xxxxxxxxxxxxxxxxxxxxxxx OK
rcpt to: your@xxxxxxxxxxxxx
250 2.1.5 your@xxxxxxxxxxxxx
data
354 Start mail input; end with <CRLF>.<CRLF>
Message data here. Plonk!
.
quit
-----Original Message-----
From: Vince Tan [mailto:VinceT@xxxxxxxxxxxx]
Sent: Tuesday, September 30, 2003 11:00 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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