Re: [cobalt-users] Rejecting emails based on DNS

[Parker Morse <morse@xxxxxxxxxxx>]

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On Tuesday, Mar 23, 2004, at 07:56 US/Eastern, Dan Kriwitsky wrote:
> > 	I usually ask stupid questions, so almost sure that
> > this is one of them... How do I check how many emails I'm
> > rejecting using the DNS-spam blocking addresses?
> > 	Is any log that I need to see? (I checked
> > /var/log/maillog, but it seems processing only the real emails)...
>
> If your rejection message contains "spamhaus" you can do:
>
> grep spamhaus /var/log/maillog and you will see a list of those
> rejected. If you have a common word in your rejections by DNSBL you can
> grep for that. IIRC, there are ways to just get a count of them but I
> haven't looked for the syntax.

I include in the rejection message the name of the list I rejected 
based on. Then I grep (much like Dan suggests) for the names on a daily 
basis, using a shell script to run them from cron. The syntax to count 
is "grep -ic" (more or less - it's the "-c" which does the counting.)

My simple batch script is like this:

echo "relays.ordb.org rejections:"
grep -ic "ordb" /var/log/maillog

(repeated for each list in use)

The output is like this:

relays.ordb.org rejections:
1

(Again, repeated for each grep in the script.)

(I also check for .edu domains rejected, since we do a lot of 
university business, in case we get complaints.)

pjm
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