_SYSTEMD_UNIT = postfix@-.service
warning: hostname [^\s]+ does not resolve to address [\da-fA-F.:]+(: Name or service not known)?
-warning: [._\w-]+\[[\da-fA-F.:]+\]: SASL LOGIN authentication failed: [._\w-]+
+warning: [._\w-]+\[[\da-fA-F.:]+\]: SASL LOGIN authentication failed: .+
warning: non-SMTP command from \w+\[[\da-fA-F.:]+\]: .*
warning: TLS library problem: error:[0-9A-F]+:SSL routines:\w+:(no shared cipher|decryption failed or bad record mac):[\w./]+:\d+: