Vicious Circle

[Julian Field]

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Do all the bounces contain a consistent subject line? Add a rule in
sendmail to reject messages whose subject lines match some words?

Dave Goodrich wrote:

> I really hate spammers, no really, I hate them. The world does not need
> these people.
>
> I have two mailscanner machines listening on the outside, both use
> mailertable to route to my mail toasters running qmail/vpopmail. I had
> been getting buried with dictionary attacks so I installed chkuser to my
> qmail-smtp daemons. Excellent, now my qmail queue is dropping, load is
> coming down, no more deliveries to non-existant users.
>
> Unfortunately now my MailScanner machines queues are filling up with
> these insidious undeliverable bounces. Arrrrgggggg!!!!!!!!!!!!!!!!!!!!
> I have MailScanner reset so it can process the additional messages,
> increased my number of processes to 5 per cpu (10) and MailScanner is
> pushing them right on through. Good. I've set Sendmail's
> Double_Bounce_Address to an emtpy string which should drop double
> bounces.
>
> But my outgoing queue continues to grow with bounces becuase I can't
> deliver the "No User Here" bounces from my toasters.
>
> I am at a loss, the root of the issue is I have 100k messages a day,
> some just *might* be legitimate address misspellings, I can't drop all
> bounces. But the vast majority are trash.
>
> Whats a sysadmin to do?
>
> DAve
>
> --
> Dave Goodrich
> Systems Administrator
> http://www.tls.net
> Get rid of Unwanted Emails...get TLS Spam Blocker!
>
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--
Julian Field
www.MailScanner.info
Buy the MailScanner book at www.MailScanner.info/store
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MailScanner thanks transtec Computers for their support

PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654

------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
'leave mailscanner' in the body of the email.
Before posting, read the MAQ (http://www.mailscanner.biz/maq/) and
the archives (http://www.jiscmail.ac.uk/lists/mailscanner.html).

Support MailScanner development - buy the book off the website!