Re: QS: check invalid address before starting scanners

Thank you for your answers!
I will check these Qmail patches.

Best Regards,

Apro Krisztian
System Administrator
Szeged,Hungary
e-mail: [email protected]


[email protected] wrote:
>>> Apro Krisztian wrote:
>>>       
>>>>  After these scans, (that need a lot of time) it turns out, that
>>>>  the spam  could not be delivered at all, because it came to in INVALID 
>>>> account.
>>>>  The time that is spent for scanning was in vain.
>>>>   
>>>>         
>>> Right.
>>>       
>>>>  Since we are using vpopmail, our valid users are strored in a MySQL 
>>>> database.
>>>>  Is there a way that QS can check the letter BEFORE all the scanners are 
>>>> started to validate the recepient?
>>>>   
>>>>         
Jason Haar wrote:
>>> No. You need to use one of the "recipient checks" Qmail patches to do
>>> this job. You have a load problem due to SA - which is a large perl
>>> script. Qmail-Scanner is also a perl script. There are "C program"
>>> patches for Qmail out there that enable qmail itself to rapidly reject
>>> mail to unknown recipients. They are great as they are so efficient.
>>> That's where you need to fix this - not in Q-S :-)
>>>
>>> I'd recommend the "RECIPIENTS extension" from
>>> http://www.fehcom.de/qmail/qmail.html
>>>
>>>       
>
> Hi,
>
> creating a cdb whenever a mysql table changes might not be what the OP really wants,
> and it is not the only option - but admittedly best from a performance point of view.
> If you feel like rolling your own code, there is no problem in adding a sql check to QS
> (well, the perl code is still loaded for every message, but the heavy parts that one calls on
> are skipped)
> Also, if your qmail happens to have the plugin extension, it is no problem to add a
> sql recipient check there - this time a perl script with just a little DBI or a shell script and the
> mysql tool would load
>
> I am actually using a mysql extension for qmail on some systems, and both of the above-
> mentioned hacks on others
>
> Wolfgang Hamann
>
>
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