Re: Splitting smtpd_proxy_filter in smtpd_recipient_restrictions chain / use different smtpd_proxy_filter for 'authenticated' and 'catch-all'

11 msg	Reject unknown Sender address
10 msg	Postfix and archiving
5 msg	-o content_filter overrides main.cf ?
1 msg	Postfix 2.4.3 and 2.3.11 available
8 msg	SASL authentication via dovecot?
2 msg	postfix/sasl: sql_select option missing - wtf?
3 msg	max connection rate/count/limit issues.
1 msg	requeue mails
6 msg	nothing in maillog
9 msg	local and remote storage for same user
7 msg	Rejecting Invaliud Users - Useful Resource poin...
4 msg	Distributing map files
5 msg	relay_recipient_maps for multiple destinations
13 msg	auto-responders with postfix
6 msg	Mydestination with virtual domains

Splitting smtpd_proxy_filter in smtpd_recipient...
\ dAniel hAhler (30 May 2007)
. \ (Wietse Venema) (30 May 2007)
. . \ dAniel hAhler (30 May 2007)
. . . \ Victor Duchovni (30 May 2007)
. . . . \ dAniel hAhler (30 May 2007)
. . . \ (Wietse Venema) (30 May 2007)

10 msg	Can't Send to Sprint Messaging Users..
1 msg	MAAWG meeting anyone?
2 msg	basic postfix 2.4.1 configuration for a simple ...
5 msg	Strange persistant 'timeout after DATA' from ma...

Subject:	Re: Splitting smtpd_proxy_filter in smtpd_recipient_restrictions chain / use different smtpd_proxy_filter for 'authenticated' and 'catch-all'
Group:	Postfix-users
From:	(Wietse Venema)
Date:	30 May 2007

dAniel hAhler:
> Wietse:
> > > Unfortunately I've found no way to accomplish this, apart from using a
> > > special port and smtpd instance for "authenticated" smtp.
> >
> > Use different smtpd processes. For example, use the SUBMISSION port
> > for authenticated smtp, and use the SMTP port for other mail.
> >
> > master.cf:
> > smtp ......... smtpd -o smtpd_proxy_filter=xxx
> > submission ... smtpd -o smtpd_proxy_filter=yyy
>
> Is this the only solution? I find it rather cumbersome to use another
> process on another port.
>
> Apart from that, wouldn't it be useful to override/set options in the
> chain? E.g. this would even make the content_filter approach easier,
> if you could directly override content_filter, without an extra
> access/FILTER entry.

It's definitely a bad idea to change proxy filter settings
in the middle of an SMTP session.

> From #postfix/IRC:
> [21:10] <flami> hum :/ now it would be nice to know why postfix
> ignores accesstables in the pre-filter smtp, maybe it just uses
> sender_access in the after-filter smtp

Don't believe everything you hear on IRC.

Wietse