[Bug 8397] New: TONLINE_FAKE_DKIM might be obsolete: t-online.de does DKIM signing now

https://bz.apache.org/SpamAssassin/show_bug.cgi?id=3D8397

            Bug ID: 8397
           Summary: TONLINE_FAKE_DKIM might be obsolete: t-online.de does
                    DKIM signing now
           Product: Spamassassin
           Version: unspecified
          Hardware: PC
                OS: Mac OS X
            Status: NEW
          Severity: minor
          Priority: P2
         Component: Rules
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: Undefined

Since a few months t-online.de does now DKIM signing:

DKIM-Signature: v=3D1; a=3Drsa-sha256; c=3Drelaxed/relaxed; d=3Dt-online.de;
        s=3D20260216; t=3D1780329653; h=3DDate:To:From:Subject;



20260216._domainkey.t-online.de. 48965 IN TXT   "v=3DDKIM1; k=3Drsa; "
"p=3DMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv5+ikQHE2VLR+8J5av2KNVfzxH=
BMCk95jwreFLrI76oQwtyOVGJKKMouXtwvBAfj3hlxRQkLOIe3gA"
"ELzjseXzMwW2vju6veur+rfDi2F8s5U3jlmKYANf39/hsdnd2ILmfEbIs6J/keJPt6yp5H+jKJ=
lJX6VMjvbNWVJED8t1lF/QLVHfNt1zJ8G01sZxWX65kGDb4EFt"
"g3Ypx+UBs1+NggNU0oAO/rnVH7cIu2YX6Ll6ZELgwXGOftRrr4pXtuIA/kc9/0x06DwLSPkLxi=
WplVrHKSwrhqrW1EsibfvzAH3e6D47LAjmXQBVnnGinV+u6OkQ"
"W6ThYH64UoEocCBQIDAQAB"


Unfortunately i could not find any offical statement of telekom.de or
t-online.de that they do DKIM signing now.=20
https://postmaster.t-online.de still says the are not doing DKIM signatures.

Last month our servers received about 25.000 mails from t-online.de:
About 92% of the mails had also DKIM_VALID_AU.=20
About 2% had an invalid DKIM signature
About 6% had no DKIM signature (e.g. DSNs)

--=20
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