SpamAssassin & DNSBLs (was Re: PostFix as a "/dev/null" MTA?)

2016-10-14 Thread Bill Cole
On 13 Oct 2016, at 1:06, li...@lazygranch.com wrote: On the surface, SA hitting multiple RBLs sounds inefficient. SpamAssassin is inherently inefficient. That's why in a production environment with heavily loaded systems, it is important to have layers ahead of it to deal with the bulk of

Re: PostFix as a "/dev/null" MTA?

2016-10-12 Thread lists
:11 PM To: postfix-users@postfix.org Reply To: postfix-users@postfix.org Subject: Re: PostFix as a "/dev/null" MTA? On 12 Oct 2016, at 18:59, li...@lazygranch.com wrote: > You really can't rate RBLs in a normal setup since if one rejects the > email, the others don't ge

Re: PostFix as a "/dev/null" MTA?

2016-10-12 Thread Bill Cole
On 12 Oct 2016, at 18:59, li...@lazygranch.com wrote: You really can't rate RBLs in a normal setup since if one rejects the email, the others don't get a try. That's not the case if you use DNSBLs in postscreen or SpamAssassin. In those cases the lookups get done asynchronously and all the

Re: PostFix as a "/dev/null" MTA?

2016-10-12 Thread lists
There are tips out there on how to set up a catch all account to accept mail that wasn't addressed to any known user. That is a (very) small part of your project. When you have a catch all, nothing bounces IF the email at least when to your FQDN.  In your project, it would be a service to rate

Re: PostFix as a "/dev/null" MTA?

2016-10-12 Thread Viktor Dukhovni
On Wed, Oct 12, 2016 at 03:25:25PM -0400, Glenn Forbes Fleming Larratt wrote: > I've done some searching of the list archives and the web, but I can't lay > hands on an answer to this question: > > - is there a way, ideally documented in a HOWTO or guide, to configure > PostFix such that: > >

Re: PostFix as a "/dev/null" MTA?

2016-10-12 Thread Wietse Venema
Glenn Forbes Fleming Larratt: > Folks, > > I've done some searching of the list archives and the web, but I can't lay > hands on an answer to this question: > > - is there a way, ideally documented in a HOWTO or guide, to configure > PostFix such that: > > - it will accept any mail

Re: PostFix as a "/dev/null" MTA?

2016-10-12 Thread Kenneth Marshall
On Wed, Oct 12, 2016 at 03:25:25PM -0400, Glenn Forbes Fleming Larratt wrote: > Folks, > > I've done some searching of the list archives and the web, but I > can't lay hands on an answer to this question: > > - is there a way, ideally documented in a HOWTO or guide, to > configure PostFix such