Re: Postfix User Level Gateway?

On Monday, May 10, 2004 at 21:50 CEST,
Henrik Hudson <lists@rhavenn.net> wrote:

[...]

> I've found the various HOW-TO's / FAQs about gateway'ing on a domain
> level via the transport table, but is there anyway to do this on a
> user level?

I cannot parse this paragraph. It seems like you see a problem where
there isn't one.

> Ideal Functionality on Gateway:
> -User level control of white/blacklists via a webinterface
> -DSPAM or SpamAssassin for SPAM blocking
> -All or most config info in LDAP; ie the whitelists, etc...
>=20
> This might be a better query for the DSPAM/SA lists, but thought I
> would start here. I just can't think how Postfix would do the scan at
> a user level (since it would have to know about the users) and then
> deliver to the primary server, since it would now be trying to drop
> mail into a user's box?

No problems here. Configure Postfix to use a content filter to run the
spamfilter (amavisd-new is popular among Postfix users), and use a
transport map to redirect the mail to the internal server after
reinjection. Per-user whitelists etc is a feature of the spamfilter,
and I think SpamAssassin supports it both with and without amavisd-new.
Extract the valid recipient addresses and use them with
relay_recipient_maps to avoid being a victim of dictionary attacks.

Different methods of using SpamAssassin as a content filter is currently
being discussed in the thread "SpamAssassin: spamd vs amavis-new".

[...]

--=20
Magnus B=E4ck
magnus@dsek.lth.se