Hi guys,
If you do not mind, I will answer both in one.
Giovanni:
On Sat, 2 Jan 2016, Giovanni ...... wrote:
You should at least pkg_add opensmtpd-extras to start playing with
filters. In base there is only the opensmtpd core implementation.
Yes. I noticed that. But on the web-site,
www.opensmtpd.org
there is absolutely nothing about opensmtpd-extras.
Also, in the package you mention, there appears to be no documentation
about how to use the filters.
I have not installed it because I do not know what it will do to my little
OpenBSD 5.8 test system. At this time, I am trying to budget people-time
so I would like to read something before 'playing' is done.
I do note that 'parse.y' in the base tree lexically analyses a grammar
which is far more extensive than that which is documented in the man
pages.
Where are the source files for these extra packages? Is there some
documentation there, either explicitly or embedded in the sources?
Mohammad:
On Sat, 2 Jan 2016, Mohammad .... wrote:
I have just finished building a FreeBSD mail server with OpenSMTPD,
ClamAV, amavisd-new and SpamAssassin.
The reason I managed to do it with OpenSMTPD and didn't need Postfix is
this replacement to RBLs
http://bgp-spamd.net/index.html
I think it's a better alternative to RBLs since your MTA doesn't have to
do a DNS query for every incoming message.
I actually agree. Hessler's and Beck's approach using BGP is an elegant
solution.
However, we have been using MAPS RBLs for nearly 2 decades. After several
buyouts, MAPS is now owned by Trend and called an ERS, email reputation
service. These are accepted by our users so changing, at least for now, is
not an option. Also, too many of my clients use the same ERS so we need
to be using the same as them. BTW, I noticed that you used SpamAssassin,
something that has hooks for DNS BL processing, the generic term for a
MAPS Realtime Black List. I want to avoid SpamAssassin for simplicity, at
least on the OpenBSD system (see below).
So while your suggestion is a good one, other criteria rule it out as an
alternative for now.
Thanks - Damian
Pacific Engineering Systems International, 277-279 Broadway, Glebe NSW 2037
Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted here
Views & opinions here are mine and not those of any past or present employer
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