On 2023-04-12 at 06:41:02 UTC-0400 (Wed, 12 Apr 2023 12:41:02 +0200)
Fourhundred Thecat via Postfix-users <400the...@gmx.ch>
is rumored to have said:
Hello,
I have domain mydomain.com, with mx record:
$ host -t mx mydomain.com
mail.mydomain.com
and I have SPF record on my domain:
host -t txt mydomain.com
which is the ip address of mail.mydomain.com
I have no SPF record on mail.mydomain.com itself.
Now, when I check my email score on mail-tester.com,
A site that no one should trust, as they actively misrepresent
SpamAssassin's usage and scores.
it says:
SPF_HELO_NONE SPF: HELO does not publish an SPF Record
A fact that in fact carries no value judgment.
SpamAssassin currently hard-scores that rules at +0.001, meaning that
while *in theory* it adds to the "spamminess" metric, it is effectively
meaningless in the overall score of almost any particular message. A
non-zero score (or usage in a non-zero-score meta-rule) is required for
SA to check any rule, so we score some things that users have asked for
as possibly informative at -0.001 or +0.001 to assure that they are
always checked, even when our QA shows no indication of the rule being
in any way useful for determining whether a message is spam or not.
One reason for that is the recognition that every site sees a different
mail stream. There may be sites where SPF_HELO_NONE could be a helpful
discriminant between spam and ham. If we don't peg the score, that
possibility is invisible.
and lastly, I have smtp_helo_name = mail.mydomain.com
Does it mean that I should either:
1) create SPF record for mail.mydomain.com
or
2) change smtp_helo_name to
smtp_helo_name = $mydomain
Neither. You do not have any problem that is worth solving. Believing
that every SpamAssassin hit is a "problem" that can or should be
"solved" is simply not true.
--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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