(smtpauth) Failed SMTP AUTH login from 37.19.220.59 (US/United States/unn-37-19-220-59.datapacket.co ...
show more(smtpauth) Failed SMTP AUTH login from 37.19.220.59 (US/United States/unn-37-19-220-59.datapacket.com)
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Brute-Force
Anonymous
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Suspicious activity detected from IP 37.19.220.59 based on mailserver logs.
Sample logs:
2026-01-13 ...
show moreSuspicious activity detected from IP 37.19.220.59 based on mailserver logs.
Sample logs:
2026-01-13 10:11:32,774 INFO [qtp267400033-82433] [ip=172.16.0.182;oip=37.19.220.59;oport=54729;oproto=smtp;port=59022;soapId=4be183b0;] SoapEngine - handler exception: authentication failed for [**], account not found
2026-01-13 10:11:32,774 INFO [qtp267400033-82433] [ip=172.16.0.182;oip=37.19.220.59;oport=54729;oproto=smtp;port=59022;soapId=4be183b0;] soap - AuthRequest elapsed=1
2026-01-13 10:11:33,301 INFO [qtp267400033-82412] [ip=172.16.0.182;oip=37.19.220.59;oport=54729;oproto=smtp;port=59036;soapId=4be183b1;] account - Error occurred during authentication: authentication failed for [**]. Reason: account not found.
2026-01-13 10:11:33,301 INFO [qtp267400033-82412] [ip=172.16.0.182;oip=37.19.220.59;oport=54729;oproto=smtp;port=59036;soapId=4be183b1;] SoapEngine - handler exception: authentication failed for [**], account not found
2026-01-13 10:11:33,301 INFO [qtp267400033-82412] [ip=172.
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Blocked by UFW (TCP on 51413)
Source port: 40371
TTL: 51
Packet length: 60
TOS: 0x08
This report (f ...
show moreBlocked by UFW (TCP on 51413)
Source port: 40371
TTL: 51
Packet length: 60
TOS: 0x08
This report (for 37.19.220.59) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
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