About aliases,

Is it possible for dbmail to have one alias expand to several
destinations, eg. mailinglists?

Sort of like the aliases entry: list: user1,user2,user3,.....

.... John

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf
Of Roel Rozendaal - IC&S
Sent: Saturday, February 07, 2004 4:31 AM
To: dbmail@dbmail.org
Subject: Re: [Dbmail] Does DBmail support spam-, virus-filter, SPF, tar
pitting and sorting into folders?


Hi Rene,

Regarding spamfilters: you can use spamassassin very easily. Every 
known email address to the dbmail system is stored in the 'aliases' 
table which contains (alias, deliver_to) entries. As you might expect, 
the 'alias' field represents a known email address, 'deliver_to' 
specifies what to do with the mail for this address. It can contain one 
of the following:

(1) a number. This is a reference to the user_idnr of the user who uses 
this alias; the mail will be delivered to his/her INBOX.
(2) an emailaddress. This can be used for forwarding mail; this 
emailaddress may be an external forward or a local forward (i.e. the 
deliver_to field contains an email address which is an alias-entry in 
the aliases table)
(3) a pipe sign ('|') followed by a shell-command. A pipe will be 
opened to the specified command and all mail data will be piped into 
the stream.
(4) an exclamation mark ('!') followed by a shell-command. Works just 
as the pipe-sign but prepends the maildata with an mbox-style header.

You can use option #3 to implement spamassassin easily: just pipe the 
maildata to spamassassin and you're off!

On virusfilters: i've heard a few stories on this list from 
dbmail-systems using amavisd. It isn't hard to implement but it's a bit 
of a off-dbmail topic since amavisd is configured in your mta. As you 
are currently using postfix i would suggest to keep using it, there's 
lots of info on the net about integrating amavisd and postfix.

About SPF: i'm a bit of a newbie to SPF, but AFAICT by 
http://spf.pobox.com/intro.html , you'll be able to use it as soon as 
it is in your mta.

Although the usefullness of tar-pitting is subject to quite some 
discussion ;-) this as well takes place in the mta. You're limited by 
the choice of your mta.

Filtering mail directly into folders is currently under development; 
they are scheduled for version 2.1. The timeline for 2.1 development 
will be laid out after the release of 2.0 (very shortly now :-) but 
we're talking about 2-3 months max here.

regards roel


Op 4-feb-04 om 20:17 heeft Rene Bartsch het volgende geschreven:

> Hi,
>
> first I'm new to list, so "Hello" to all ;-)
>
> I'm considering to switch from Postfix/CourierIMAP/Procmail to DBmail
> as it
> would decrease maintenance work (no system users, home directories, 
> ... for
> email users).
>
> I just want to run it with a PHP-frontend to administrate and
> PHP-webmail.
>
> Now, my questions are about handling mails:
>
> 1.) is there support/an interface for spam filters (SpamAssassin
> preferred)?
> 2.) is there support/an interface for virus filters (F-Prot
preferred)?
> 3.) is there support/an interface for SPF validation?
> 4.) is there support/an interface for tar pitting?
>
> Is it possible to filter mails into folders by some kind of regular 
> expressions (I currently do this with procmail and IMAP)?
>
> Regards
> Rene
> _______________________________________________
> Dbmail mailing list
> Dbmail@dbmail.org https://mailman.fastxs.nl/mailman/listinfo/dbmail
>

_________________________
R.A. Rozendaal
IC&S
T: +31 30 63 55 736
F: +31 30 63 55 731
www.ic-s.nl

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