Dnia 30.07.2024 o godz. 12:38:15 Matus UHLAR - fantomas via Postfix-users pisze:
>I filter messages only based on RBLs, manual blocklists and content
>filtering (SA + many custom rules). And as for the latter, the messages are
>sent to spam folder, never rejected. Rejections are based only on first two.
Funny, since multiple people in the past recommended rejecting on
spamminess, not on the results of single DNSBL listing.
On 30.07.24 13:52, Jaroslaw Rafa via Postfix-users wrote:
I use only two DNSBLs that - at least for me - seem to give almost no false
positives - bl.spamcop.net and zen.spamhaus.org. In the past I used three -
instead of zen.spamhaus.org I was using dul.dnsbl.sorbs.net and
sbl-xbl.spamhaus.org. But because sorbs.net went down, and zen.spamhaus.org
seems to effectively combine these two, I changed it.
I use nearly the same combination, I just used zen for years (sbl-xml + pbl) and
safe.dnsbl.sorbs.net (dul + others).
I also use dnswl with negative score (postscreen) and on some servers I need
more than one hit to reject mail, so one listing is not enough for
rejection.
Of course I always have the option to manually override DNSBL listing in my
manual access list, but I don't remember when I last had to use it.
The same.
What I wanted to say is that some people in the past have recommended only
using DNSBLs for content filtering, not at SMTP level, thust just the
opposite as you
- only reject based on content filtering, not just on DNSBL listings.
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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