(SMTPBRUTE) SMTP Login Brute-Force 104.168.56.92 (US/United States/104-168-56-92-host.colocrossing.c ...
show more(SMTPBRUTE) SMTP Login Brute-Force 104.168.56.92 (US/United States/104-168-56-92-host.colocrossing.com): 10 in the last 3600 secs
show less
(smtpauth) Failed SMTP AUTH login from 104.168.56.92 (US/United States/104-168-56-92-host.colocrossi ...
show more(smtpauth) Failed SMTP AUTH login from 104.168.56.92 (US/United States/104-168-56-92-host.colocrossing.com): N in the last X secs
show less
2025-11-05T07:11:26.237190-08:00 debug postfix/submission/smtpd[1070047]: disconnect from unknown[10 ...
show more2025-11-05T07:11:26.237190-08:00 debug postfix/submission/smtpd[1070047]: disconnect from unknown[104.168.56.92] ehlo=2 starttls=1 auth=0/1 commands=3/4
2025-11-05T07:11:26.738026-08:00 debug postfix/submission/smtpd[1070047]: disconnect from unknown[104.168.56.92] ehlo=2 starttls=1 auth=0/1 commands=3/4
...
show less
Brute-Force
Anonymous
(smtpauth) Failed SMTP AUTH login from 104.168.56.92 (US/United States/104-168-56-92-host.colocrossi ...
show more(smtpauth) Failed SMTP AUTH login from 104.168.56.92 (US/United States/104-168-56-92-host.colocrossing.com)
show less
(smtpauth) Failed SMTP AUTH login from 104.168.56.92 (US/United States/104-168-56-92-host.colocrossi ...
show more(smtpauth) Failed SMTP AUTH login from 104.168.56.92 (US/United States/104-168-56-92-host.colocrossing.com): 3 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Nov 3 23:56:11 ptr postfix/smtpd[2159236]: warning: unknown[104.168.56.92]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 3 23:56:17 ptr postfix/smtpd[2159236]: warning: unknown[104.168.56.92]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 3 23:56:27 ptr postfix/smtpd[2159236]: warning: unknown[104.168.56.92]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
show less
Port Scan
Anonymous
Cluster member 10.170.91.37 (-) said, TEMPDENY 104.168.56.92, Reason:[(zimbra-mta) Failed login from ...
show moreCluster member 10.170.91.37 (-) said, TEMPDENY 104.168.56.92, Reason:[(zimbra-mta) Failed login from 104.168.56.92 (US/United States/104-168-56-92-host.colocrossing.com): 30 in the last 3600 secs]; IP: 104.168.56.92; Ports: *; Direction: 0; Trigger: LF_CLUSTER; Logs:
show less