On 07/01/2013 12:48 AM, Gilles Chehade wrote:
> On Mon, Jul 01, 2013 at 05:35:20PM +1000, oneofthem wrote:
>> How does opensmtpd handle spam?
>>
> it delivers it correctly ;)
>
>
>
>> Does it have some kind of built in spam filtering or except an external
>> program to handle spam filtering?
>>
> no, it doesn't perform any kind of content inspection and to deal with
> spam one has to use external tools.
>
> there is a filtering API in progress that will allow writing filters run
> by the smtp server itself, but it's not ready.
>
>
++ to what he said. What I do to deal with spam is based on what Gilles
did to deal with DKIM proxy. I relay all mail to amavisd which scans it
with spam assassin and calmav, then on its way back in it tags it as
"clean" and messages tagged as clean get pushed to dovecot for delivery
and sieving it looks like this config wise. Please note the order of the
receive rules is vital. If you put them the wrong way around you start
a loop between smtpd and amavisd.
listen on lo0 tls certificate crt auth-optional
listen on lo0 port 10025 tag Filtered
listen on lo0 port 10026 tag Filtered
listen on em0 port 25 tls certificate crt auth-optional
listen on em0 port 587 tls certificate crt auth
listen on em0 port 465 tls certificate crt auth
#Tables
table aliases db:/etc/mail/aliases.db
#queue
queue compression
#Receive connectors
accept tagged Filtered for any alias <aliases> deliver to mda
"/usr/local/libexec/dovecot/deli
ver -f %{sender}"
accept from any for domain "serversave.us" alias <aliases> relay via
"smtp://127.0.0.1:10024"
accept for local alias <aliases> deliver to mda
"/usr/local/libexec/dovecot/deliver -f %{sende
r}"
#Send Connectors
accept for any relay
--
Jason Barbier
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