burned by spamcop, how to whitelist sites from RBL's

Alex Neuman alex at nkpanama.com
Thu Apr 29 17:09:35 IST 2004


I know this would be somewhat OT, but would implementing reiserfs instead
of, say, ext3, be faster overall? By how much? Depending on what?

Thanks...

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf
Of Youn Gonzales
Sent: Thursday, April 29, 2004 10:42 AM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: burned by spamcop, how to whitelist sites from RBL's


>    That was the first thing I thought of.  I stuck the IP number in my 
> access file, eg
>
> 139.140.14.83   OK
>
> This didn't work.  Then I tried:
>
> Spam:bowdoin.edu        FRIEND
>

We had the same results. According to the docs, the access file is supposed
to override the RBL lookups, but it is buggy at best. Sometimes it works and
sometimes it doesn't. We took most of the RBL lookups out of sendmail and
stuck them in SpamAssassin and began tagging instead of blocking. To get the
performance up on the relay servers, we switched to the reiser file system
and put the temp dirs in ram, and setup a separate log server connected
through a second nic. We are still looking for better ways to block at least
some of the spam at the MTA level, but we are leaning towards throwing more
and more processor power at the problem and sticking to tagging.

Youn Gonzales
System Administrator
Comptia A+, Network+, INET+,
Cisco CCNA/CCDA Certified Technician
Microsoft Certified Professional

Indifference can not but be criminal, when it is conversant about objects
which are so far from being of an indifferent nature, that they are highest
importance. --Addison.

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