Spamdyke performs exceptionally well on the perimeter, accepting smtp
sessions from unknown mail servers. It's capable of rejecting 80+% of
spam before it's even received, which reduces server load considerably
because less mail is scanned by clamav and spamassassin (which are the
biggest resource hogs in a toaster). I think you'll be pleased with the
results you'll see.
Josh Hopkins wrote:
The bayes_auto_expire is set to 0. The email address and the domain are
whitelisted in for spamassassin. Need to look into spamdyke. Does it
run well in a Gateway setup i.e. sits in front of my Exchange server?
-----Original Message-----
From: news [mailto:[email protected]] On Behalf Of Eric Shubert
Sent: Monday, December 29, 2008 9:35 AM
To: [email protected]
Subject: Re: [qmailtoaster] Receiving Email from AOL
Root cause seems to be that the connection w/ AOL is timing out.
Is bayes_auto_expire turned on (1) in /etc/mail/spamassassin/local.cf?
If so, turning it off would be a good idea.
If you're running spamdyke (a good idea anywise), you can use that to
whitelist the domain. Then at least you won't be a relay (I think - Sam
could say for sure).
Josh Hopkins wrote:
Last week we started to have problems receiving emails from AOL
customers. They would get the following back.
---------- Forwarded message ----------
From: Mail Delivery Subsystem <[email protected]>
To: <[email protected]>
Date: Sun, 21 Dec 2008 21:50:32 -0500 (EST)
Subject: Returned mail: see transcript for details
*** ATTENTION ***
Your e-mail is being returned to you because there was a problem with
its
delivery. The address which was undeliverable is listed in the
section
labeled: "----- The following addresses had permanent fatal errors
-----".
The reason your mail is being returned to you is listed in the section
labeled: "----- Transcript of Session Follows -----".
The line beginning with "<<<" describes the specific reason your
e-mail could
not be delivered. The next line contains a second error message which
is a
general translation for other e-mail servers.
Please direct further questions regarding this message to the e-mail
administrator or Postmaster at that destination.
--AOL Postmaster
----- The following addresses had permanent fatal errors -----
<[email protected]>
----- Transcript of session follows -----
451 4.4.1 reply: read error from mx01.pd360.com.
<[email protected]>... Deferred: Connection timed out with
mx01.pd360.com.
Message could not be delivered for 3 hours
Message will be deleted from queue
Final-Recipient: RFC822; [email protected]
Action: failed
Status: 4.4.7
Last-Attempt-Date: Sun, 21 Dec 2008 21:50:32 -0500 (EST)
I added the sender to the whitelist. That did not work. Called AOL.
Not fun. They gave me their outbound server list. I added them to the
tcp.smtp file with the relayclient="" option and now I get emails again
from AOL. There needs to be a better way to fix this as now I am an
openrelay for AOL email servers. Anyone else having problems receiving
emails from AOL?
Joshua R. Hopkins
Director Information Technology
[email protected]
The School Improvement Network
Know-How Now
Phone: 801 566-6500
Fax: 801 566-6885
8686 S. 1300 E.
Sandy, Utah 84094
www.schoolimprovement.com
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-Eric 'shubes'
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