-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On Mon, 2016-04-18 at 17:28 +0200, Michelle Sullivan wrote: > (3) NXDOMAIN = No Records = Hard Fail > (2) SERVFAIL = DNS issues = Temp Fail > Connection timeout/Refused = DNS issues = Temp Fail
I agree. But some providers seem to have trouble with the concept of setting up proper reverse dns for all their outbound servers. Apr 18 12:23:23 ns1 sendmail[23389]: u3IJNMG3023389: --- 250-ns1.five- ten-sg.com Hello [65.55.234.213], pleased to meet you Apr 18 12:23:24 ns1 sendmail[23389]: u3IJNMG3023389: <-- MAIL FROM:<msonlineservicest...@microsoftonline.com> SIZE=12109 BODY=7BIT -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEAREKAAYFAlcVOw8ACgkQL6j7milTFsFyuACfUaWa9YPUmgr7N7ANsLpwYRDP bBwAoITLxQdgrnEzlIqhY3SqcajXbd1d =ZIts -----END PGP SIGNATURE----- _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
