Recently I started get these error messages. They are for one customer only.
Can anyone tell me what a possible cause may be.
Time: Tue Dec 14 16:16:03 2021 +1300
Type: AUTHRELAY, Remote IP - 124.248.134.94 (NZ/New Zealand/124-248-134-94.dynamic.lightwire.co.nz)
Count: 101 emails relayed
Blocked: No
2021-12-14 07:57:43 1mx2gw-0002Ok-OM <=email@domain.co.nz H=124-248-134-94.dynamic.lightwire.co.nz (APRRCUWS5) [124.248.134.94]:43667 P=esmtpsa X=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no A=dovecot_login:email@domain.co.nz S=17473 id=000a01d7f053$50016720$f0043560$@domaini.co.nz T="RE: touching base" for email@domain.ac.nz
... and there are more of them ...