Infolog:
2019-03-22 10:57:47,404 fail2ban.actions[2800]: WARNING [sasl] Ban 210.209.85.238
2019-03-22 10:57:47,408 fail2ban.actions.action[2800]: ERROR   oifs=${IFS}; IFS=.;SEP_IP=( 210.209.85.238 ); set -- ${SEP_IP}; ADRR=$(dig +short -t txt -q $4.$3.$2.$1.abuse-contacts.abusix.org); IFS=${oifs}; IP=210.209.85.238; if [ ! -z "$ADRR" ]; then (printf %b "Dear Sir/Madam,\n\nWe have detected abuse from the IP address $IP, which according to a abusix.com is on your network. We would appreciate if you would investigate and take action as appropriate.\n\nLog lines are given below, but please ask if you require any further information.\n\n(If you are not the correct person to contact about this please accept our apologies - your e-mail address was extracted from the whois record by an automated process.)\n\n This mail was generated by Fail2Ban.\nThe recipient address of this report was provided by the Abuse Contact DB by abusix.com. abusix.com does not maintain the content of the database. All information which we pass out, derives from the RIR databases and is processed for ease of use. If you want to change or report non working abuse contacts please contact the appropriate RIR. If you have any further question, contact abusix.com directly via email (info@abusix.com). Information about the Abuse Contact Database can be found here: https://abusix.com/global-reporting/abuse-contact-db\nabusix.com is neither responsible nor liable for the content or accuracy of this message.\n\n"; date '+Note: Local timezone is %z (%Z)'; grep -E '(^|[^0-9])210.209.85.238([^0-9]|$)' /dev/null) | mail -s "Abuse from 210.209.85.238"  root@localhost; fi returned 200


Debuglog:
2019-03-22 10:57:14,780 fail2ban.actions.action[2263]: DEBUG   oifs=${IFS}; IFS=.;SEP_IP=( 93.157.63.6 ); set -- ${SEP_IP}; ADRR=$(dig +short -t txt -q $4.$3.$2.$1.abuse-contacts.abusix.org); IFS=${oifs}; IP=93.157.63.6; if [ ! -z "$ADRR" ]; then (printf %b "Dear Sir/Madam,\n\nWe have detected abuse from the IP address $IP, which according to a abusix.com is on your network. We would appreciate if you would investigate and take action as appropriate.\n\nLog lines are given below, but please ask if you require any further information.\n\n(If you are not the correct person to contact about this please accept our apologies - your e-mail address was extracted from the whois record by an automated process.)\n\n This mail was generated by Fail2Ban.\nThe recipient address of this report was provided by the Abuse Contact DB by abusix.com. abusix.com does not maintain the content of the database. All information which we pass out, derives from the RIR databases and is processed for ease of use. If you want to change or report non working abuse contacts please contact the appropriate RIR. If you have any further question, contact abusix.com directly via email (info@abusix.com). Information about the Abuse Contact Database can be found here: https://abusix.com/global-reporting/abuse-contact-db\nabusix.com is neither responsible nor liable for the content or accuracy of this message.\n\n"; date '+Note: Local timezone is %z (%Z)'; grep -E '(^|[^0-9])93.157.63.6([^0-9]|$)' /dev/null) | mail -s "Abuse from 93.157.63.6"  root@localhost; fi
2019-03-22 10:57:14,781 fail2ban.actions.action[2263]: ERROR   oifs=${IFS}; IFS=.;SEP_IP=( 93.157.63.6 ); set -- ${SEP_IP}; ADRR=$(dig +short -t txt -q $4.$3.$2.$1.abuse-contacts.abusix.org); IFS=${oifs}; IP=93.157.63.6; if [ ! -z "$ADRR" ]; then (printf %b "Dear Sir/Madam,\n\nWe have detected abuse from the IP address $IP, which according to a abusix.com is on your network. We would appreciate if you would investigate and take action as appropriate.\n\nLog lines are given below, but please ask if you require any further information.\n\n(If you are not the correct person to contact about this please accept our apologies - your e-mail address was extracted from the whois record by an automated process.)\n\n This mail was generated by Fail2Ban.\nThe recipient address of this report was provided by the Abuse Contact DB by abusix.com. abusix.com does not maintain the content of the database. All information which we pass out, derives from the RIR databases and is processed for ease of use. If you want to change or report non working abuse contacts please contact the appropriate RIR. If you have any further question, contact abusix.com directly via email (info@abusix.com). Information about the Abuse Contact Database can be found here: https://abusix.com/global-reporting/abuse-contact-db\nabusix.com is neither responsible nor liable for the content or accuracy of this message.\n\n"; date '+Note: Local timezone is %z (%Z)'; grep -E '(^|[^0-9])93.157.63.6([^0-9]|$)' /dev/null) | mail -s "Abuse from 93.157.63.6"  root@localhost; fi returned 200
2019-03-22 10:57:14,781 fail2ban.actions.action[2263]: DEBUG
2019-03-22 10:57:14,781 fail2ban.actions.action[2263]: DEBUG   Nothing to do