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Home > Archive > IIS and SMTP > February 2004 > SMTP NDR's
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| Jeffrey Simon 2004-02-17, 10:33 pm |
| I recently changed our email system (NOTES) to send to a
relay host, Windows 2000 SMTP Server. Ever since I did
that, we have been getting weird NDR's. There is one
domain, if we send mail to, nissan-usa.com, that the email
goes through, but we get a NDR back with error code
Enhanced Mail System Status Code (RFC1893): 4.4.7. I know
that is a NOTES error code, but the email is queued at the
Windows 2000 SMTP Server, and it sends it out. But for
some reason, the SMTP server thinks the mail is non-
deliverable, and then bounces it back in to NOTES. Any
ideas?
| |
| Andreas Stegmann 2004-02-18, 2:34 am |
| hi jeffrey,
have you tried to connect to the nissan SMTP server with telnet and deliver
a mail manually?
I tried the following:
--------------
nslookup -q=mx nissan-usa.com
.....
nissan-usa.com MX preference = 50, mail exchanger = relay.attens.com
nissan-usa.com MX preference = 20, mail exchanger =
nmchqt24zz.nissan-usa.com
nissan-usa.com MX preference = 30, mail exchanger =
ncene02zz.nissan-usa.com
nissan-usa.com MX preference = 40, mail exchanger = smtp.nmac.com
nmchqt24zz.nissan-usa.com internet address = 205.144.99.69
ncene02zz.nissan-usa.com internet address = 209.64.87.74
smtp.nmac.com internet address = 12.14.189.242
--------------
12.14.189.242, 209.64.87.74 and 205.144.99.69 are not responding on port 25
(down?)
relay.attens.com is responding and accepts mails to nissan-usa.com, but its
the last one
in the MX priority listing.
I think that your SMTP server should try to connect to the alternate mail
exchangers according
to the priority list until it can deliver the mail - or finally give up.
according to your logfile, your
SMTP server tries to deliver the mail to nissan-usa.com via 209.64.87.74
which is definitely
not responing (at the moment).
do you have any entries for 63.240.1.41 (relay.attens.com) in your logfile?
would be
interesting if your SMTP server even tries to use this one to deliver the
mail....
regards,
andi
"Jeffrey Simon" <anonymous@discussions.microsoft.com> schrieb im Newsbeitrag
news:125fa01c3f615$891cfbb0$a601280a@phx
.gbl...[color=blue]
> I noticed in the SMTP logs that the entries for the nissan-
> usa.com mail servers look like this:
> 03:25:58 209.64.87.74 - - 0
> 03:25:58 209.64.87.74 QUIT - 0
> When mail is successful, there is a line for HELO, MAIL,
> RCPT, DATA, and QUIT. Any ideas?
>
>
> email
> know
> the
| |
| Jeffrey Simon 2004-02-18, 8:35 am |
| Yes, that IP is in the log, but same results. one line
with 0, and the next with quit.
>-----Original Message-----
>hi jeffrey,
>
>have you tried to connect to the nissan SMTP server with
telnet and deliver
>a mail manually?
>
>I tried the following:
>--------------
>nslookup -q=mx nissan-usa.com
>.....
>nissan-usa.com MX preference = 50, mail exchanger =
relay.attens.com
>nissan-usa.com MX preference = 20, mail exchanger =
>nmchqt24zz.nissan-usa.com
>nissan-usa.com MX preference = 30, mail exchanger =
>ncene02zz.nissan-usa.com
>nissan-usa.com MX preference = 40, mail exchanger =
smtp.nmac.com
>
>nmchqt24zz.nissan-usa.com internet address =
205.144.99.69
>ncene02zz.nissan-usa.com internet address =
209.64.87.74
>smtp.nmac.com internet address = 12.14.189.242
>--------------
>
>12.14.189.242, 209.64.87.74 and 205.144.99.69 are not
responding on port 25
>(down?)
>relay.attens.com is responding and accepts mails to
nissan-usa.com, but its
>the last one
>in the MX priority listing.
>
>I think that your SMTP server should try to connect to
the alternate mail
>exchangers according
>to the priority list until it can deliver the mail - or
finally give up.
>according to your logfile, your
>SMTP server tries to deliver the mail to nissan-usa.com
via 209.64.87.74
>which is definitely
>not responing (at the moment).
>
>do you have any entries for 63.240.1.41
(relay.attens.com) in your logfile?
>would be
>interesting if your SMTP server even tries to use this
one to deliver the
>mail....
>
>
>regards,
>andi
>
>
>
>
>
>
>"Jeffrey Simon" <anonymous@discussions.microsoft.com>
schrieb im Newsbeitrag
> news:125fa01c3f615$891cfbb0$a601280a@phx
.gbl...
nissan-[color=blue]
a[color=blue]
>
>
>.
>
| |
| Alexander Nikolayev [MSFT] 2004-02-18, 10:34 am |
| Jeffrey, can you setup (just to make sure you have no DNS issues) a remote
domain to forward all mail with an address space of 'nissan-usa.com' to a
smart host with IP 63.240.1.41? Let us know if you get the mail going this
way. I also verified that 63.240.1.41 is up and running and accepts mail
for nissan-usa.com (Andreas done very good analysis on it - thanks!)
--
This posting is provided "AS IS" with no warranties, and confers no rights.
Please do not send email directly to this alias. This alias is for
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"Jeffrey Simon" <anonymous@discussions.microsoft.com> wrote in message
news:1218001c3f669$cfb4d6c0$a301280a@phx
.gbl...[color=blue]
> Yes, that IP is in the log, but same results. one line
> with 0, and the next with quit.
> telnet and deliver
> relay.attens.com
> smtp.nmac.com
> 205.144.99.69
> 209.64.87.74
> responding on port 25
> nissan-usa.com, but its
> the alternate mail
> finally give up.
> via 209.64.87.74
> (relay.attens.com) in your logfile?
> one to deliver the
> schrieb im Newsbeitrag
> nissan-
> a
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