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: non-SMTP command from \w+\[[\da-fA-F.:]+\]: .*
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: non-SMTP command from \w+\[[\da-fA-F.:]+\]: .*
_SYSTEMD_UNIT = bind9.service
client [\da-fA-F.:]+#\d+ \([\w.-]+\): (zone transfer '[\w.-]+/AXFR/IN' denied|message parsing failed: (bad compression pointer|bad label type))
_SYSTEMD_UNIT = opendkim.service
_SYSTEMD_UNIT = bind9.service
client [\da-fA-F.:]+#\d+ \([\w.-]+\): (zone transfer '[\w.-]+/AXFR/IN' denied|message parsing failed: (bad compression pointer|bad label type))
_SYSTEMD_UNIT = opendkim.service