Jerry Barnabee via Mailman-Users writes: > I am running Mailman via CPANEL and I am not having these issues - > are you using CPANEL ?
It's almost never the software. It's almost always the sending domain's reputation and the recipient's spam paranoia. > When I lookup livingaudio.net <http://livingaudio.net/> it shows > that there is no DMARC record for that domain ? Most of the email > servers in the world now require DMARC records or they will reject > your emails. Maybe this is new, but: % host -t txt _dmarc.livingaudio.net _dmarc.livingaudio.net descriptive text "v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];"; That's something I hadn't thought of: Bernard's record says to "quarantine" the email. I don't think that should generate a rejection, which would be some protection from DMARC bounces. Note that DMARC is a demand by *senders* that receivers reject email apparently from them in certain circumstances. If there is a non-null DMARC policy, most recipients will respect it. But (outside of the authoritarian crank faction of the IETF's email working group) I've never heard a suggestion that *recipients* should demand a DMARC record of senders. I really doubt that Microsoft is that kind of authoritarian crank, though -- their clients would notice loss of *lots* of mail. What Bernard needs is a DKIM record, and here it is: % host -t txt default._domainkey.livingaudio.net default._domainkey.livingaudio.net descriptive text "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxigpYyliFG2MbtvHRQF8pZabvm0PwIZSi1qbFbCGMQXBRC1NxfQeVEQkAptcn6kEZ115XDxONQj3mVooy8XJPOz9/s8uFS2prb8BstAwYRibjMvkPFPU1NYbnnKP90Zx1yo3ZeJ7ztDhKSXuR3y9l+iLgyFMr6mLsXTw3uZMrLQQ2KYMaQ/1LssiBswGcZHbK" "pebH6LW+vVVd8RNtCh+1mn63Zxg1XVzdWr+txyH+uzFQhisPD3XXIAjYQxaz25Rn0N9j31Lj7b6H9PaKUexHdIJa7WFtMMDwqJQ9ko8KfpAXF8BL/wEkJXrURDnaJZvpL/j6S/LFJRiqjlAALW6WQIDAQAB;" That's hard to look up without looking into message headers because the pseudo-domain contains a "selector". That can change arbitrarily often, and there's no standard way to indicate the naming pattern or schedule, so you need the s= parameter from a DKIM signature. (In theory a DNS zone transfer would give it to you, but those require authorization from the domain owner these days.) Steve -- GNU Mailman consultant (installation, migration, customization) Sirius Open Source https://www.siriusopensource.com/ Software systems consulting in Europe, North America, and Japan ------------------------------------------------------ Mailman-Users mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/mailman-users.python.org/ Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: https://www.mail-archive.com/[email protected]/ https://mail.python.org/archives/list/[email protected]/ Member address: [email protected]
