https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8510

            Bug ID: 8510
           Summary: Email from .xyz domain marked as spam
           Product: Spamassassin
           Version: unspecified
          Hardware: PC
                OS: Windows 10
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Rules
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: Undefined

Hi,

I've been testing my email setup using Mail-Tester and noticed that
SpamAssassin is giving my emails a score of 5.3, which is just over the spam
threshold of 5.0.

The email itself was just a basic plain-text test message with no links or
attachments. SPF, DKIM and DMARC all passed.

Looking at the results, it seems that most of the score comes from these four
rules:

Rule

Score

FROM_SUSPICIOUS_NTLD

0.500

FROM_SUSPICIOUS_NTLD_FP

1.999

PDS_NAKED_TO_NUMERO

1.999

PDS_OTHER_BAD_TLD

1.000

Total

5.498

I'm using a numeric-only .xyz domain, which I understand might be considered
more suspicious than a typical domain.

However, it looks like several rules are penalising the same domain
characteristics, and together they're adding nearly 5.5 points before the
actual email content is even considered.

I appreciate that these rules exist for a reason, but it seems a bit excessive
that a simple email can end up being marked as spam mainly because of the
domain name and TLD.

I'm not sure whether this is intentional or whether some of these rules are
overlapping more than they should.

Would it be possible to review how these rules work together, particularly for
numeric .xyz domains?

For reference, the test was run using SpamAssassin 4.0.2 through Mail-Tester,
so I'm not certain whether their configuration uses the default rule scores.

Happy to provide more details if needed.

Thanks!

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