Re: [exim] state.gov users cannot send to my exim mail serve…

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Author: W B Hacker
Date:  
To: exim users
Subject: Re: [exim] state.gov users cannot send to my exim mail server
Kebba Foon wrote:
> my MX is mail.qanet.gm or newgainde.qanet.gm
>
> Thanks
> Kebba


Hard to help find a problem on either of those when you tell us they are
'mydomain.com'...

With that cleared up, both are responding to telnet ex Hong Kong.

Page Two:

When you say 'state.gov' are unable to deliver, what have you obfuscated
there?

- organizations within Gambia?

- Agencies in Africa, The Americas, Asia. Europe, Oceania?

- one or two *specific* senders?

You've said your logs do not show attempted connections.

Suggestion: *temporarily* ('coz it generates a lot of log lines) set:

log_selector = +all

If you know the IP from whence the problematic arrivals jump-off, a grep
for that IP now and then will turn up evidence of it connecting.

There will then be two PID's, listed in square brackets right after the
date/time. One for the listener daemon, the second for the child process
assigned to the connection.

Grep on the child-process PID to drop out all extraneous info and track
the life of that one connection.

If nothing shows at the same TZ-corrected date/time they have on their
error messages, a firewall or OTHER MX has intercepted their traffic,
ELSE they are not finding your current IP in whatever DNS they use.

If you have made a recent DNS entry change, it may simply be a
propagation/update issue.

HTH,

Bill


>
> On Tue, 2011-03-22 at 16:32 +0000, W B Hacker wrote:
>> Kebba Foon wrote:
>>> Hi List,
>>>
>>> I have been having issues with state.gov users not been able to send
>>> mails to my exim mail server. this is the error message they get when
>>> they try to send to my server and if i check on the logs i see no
>>> attempted delivery from their servers. this was the error massage one of
>>> the state.gov users forwarded to my free yahoo account. anyone enconter
>>> this kind of problem with exim?
>>
>> triligon# telnet mx.mydomain.com smtp
>> Trying 216.34.94.184...
>>
>>
>> ... long wait. No response.
>>
>> Looks as if your mx is offline...
>>
>> *yawn*....
>>
>> Bill
>>
>>>
>>>     ----- Transcript of session follows -----
>>>           451 4.4.1 reply: read error from mail.mydomain.
>>>           451 4.4.1 reply: read error from newmail.mydomain
>>> <**@mydomain>... Deferred: Connection reset by
>>>           newgmail.mydomain
>>>           Warning: message still undelivered after 4 hours Will keep
>>> trying until
>>>           message is 1 day old

>>>
>>>           --p2LHIwt6029028-p2LHIwt6029028.1300728611/l.mydomain.com.
>>>           451 4.4.1 reply: read error from newmydomain.com
>>>           <***@mydomain.com>... Deferred:
>>>           Content-Type: message/delivery-status

>>>
>>>           Reporting-MTA: dns; l.qanet.gm.
>>>           451 4.4.1 reply: read error from newmydomain.com
>>>           <****@mydomain.com>... Deferred: Connection reset by
>>>           newmydomain.com
>>>           Warning: message still undelivered after 4 hours Will keep
>>> trying until
>>>           message is 1 day old on/pdf
>>>           Arrival-Date: Mon, 21 Mar 2011 08:07:13 -0400

>>>
>>>           Final-Recipient: RFC822; ****@mydomain.com
>>>           Action: delayed
>>>           Status: 4.4.2
>>>           Last-Attempt-Date: Mon, 21 Mar 2011 13:30:11 -0400
>>>           Will-Retry-Until: Tue, 22 Mar 2011 08:07:13 -0400

>>>
>>>
>>>
>>
>>
>
>
>