[Linux-users] Exim Timeout.. Causing server to get way backedup!

[Andrew Rosolino]

Yes we do have a lot of people subscribed from China.. but this is not SPAM
because these users subscribed for this and we send them the e-mails.

Sincerly,
Andrew Rosolino
Programmer
 


-----Original Message-----
From: linux-users-bounces at pananix.com
[mailto:linux-users-bounces at pananix.com] On Behalf Of Bill Campbell
Sent: Tuesday, August 14, 2007 1:50 PM
To: linux-users at pananix.com
Subject: Re: [Linux-users] Exim Timeout.. Causing server to get way
backedup!


On Tue, Aug 14, 2007, Andrew Rosolino wrote:
>
>Ok we have a serious problem.. there is over 9,000 messages in the mail 
>queue and a lot of them are over 4 days old!! I dont understand why 
>there is messages over 4days in it because we have it set up like so.
>
...
>Then we have another problem and I think this might be the issue.. we 
>tried to process the 4 day ones and they almost all came back as this:
>
>Message 1IJYcA-0006Ng-Gy is not frozen
>delivering 1IJYcA-0006Ng-Gy
>Connecting to mail.x.cn [211.151.238.169]:25 ... failed: Connection 
>timed out (timeout=5m)
>LOG: MAIN
>  mail.x.cn [211.151.238.169] Connection timed out
>LOG: MAIN
>  == daikai at x.cn R=lookuphost T=remote_smtp defer (110): Connection 
>timed

My guess is that you have been hit by a large spam run resulting in blowback
to bogus Sender addresses.  Do you normally have a lot of traffic to hosts
in China?

Any reasonable MTA (Mail Transport Agent) will hold messages for a period of
time, often about 5 days, when there are connection problems or soft errors
``400 series'' responses to SMTP commands. This allows for temporary outages
with minimal loss of mail.

Bill
--
INTERNET:   bill at celestial.com  Bill Campbell; Celestial Software LLC
URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
FAX:            (206) 232-9186  Mercer Island, WA 98040-0820; (206) 236-1676

"If taxation without consent is not robbery, then any band of robbers have
only to declare themselves a government, and all their robberies are
legalized." -- Lysander Spooner, Letter to Grover Cleveland 1886
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