Lines containing failures of 80.71.232.142 (max 1000) 2026-09-09T03:09:31.377951+02:00 www sm-mta[1739536]: STARTTLS=server, relay=[80.71.232.142], version=TLSv1.3, verify=NOT, cipher=TLS_AES_256_GCM_SHA384, bits=256/256 2026-09-09T03:09:31.531051+02:00 www sm-mta[1739536]: 68919TAZ1739536: AUTH failure (CRAM-MD5): user not found (-20) SASL(-13): user not found: user: guenther@maier-bauer.at property: cmusaslsecretCRAM-MD5 not found in sasldb, user=guenther@maier-bauer.at, relay=[80.71.232.142] 2026-09-09T03:09:31.571519+02:00 www sm-mta[1739536]: 68919TAZ1739536: [80.71.232.142] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-v6 2026-09-09T04:12:26.242457+02:00 www sm-mta[1807448]: STARTTLS=server, error: accept failed=-1, reason=sslv3 alert bad certificate, SSL_error=1, errno=0, retry=-1, relay=[80.71.232.142] 2026-09-09T04:12:26.243136+02:00 www sm-mta[1807448]: 6892CNXI1807448: [80.71.232.142] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-v6 2026-09-09T04:12:31.028397+02:00 www sm-mta[1807540]: 6892CS421807540: AUTH failure (PLAIN): authentication failure (-13) SASL(-13): authentication failure: Password verification failed, user=christian@holzkistenmanufaktur.at, relay=[80.71.232.142] 2026-09-09T04:12:31.093425+02:00 www sm-mta[1807540]: 6892CS421807540: [80.71.232.142] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-v6
Lines containing failures of 80.71.232.142 (max 1000) 2026-09-09T03:09:31.377951+02:00 www sm-mta[1739536]: STARTTLS=server, relay=[80.71.232.142], version=TLSv1.3, verify=NOT, cipher=TLS_AES_256_GCM_SHA384, bits=256/256 2026-09-09T03:09:31.531051+02:00 www sm-mta[1739536]: 68919TAZ1739536: AUTH failure (CRAM-MD5): user not found (-20) SASL(-13): user not found: user: guenther@maier-bauer.at property: cmusaslsecretCRAM-MD5 not found in sasldb, user=guenther@maier-bauer.at, relay=[80.71.232.142] 2026-09-09T03:09:31.571519+02:00 www sm-mta[1739536]: 68919TAZ1739536: [80.71.232.142] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-v6 2026-09-09T04:12:26.242457+02:00 www sm-mta[1807448]: STARTTLS=server, error: accept failed=-1, reason=sslv3 alert bad certificate, SSL_error=1, errno=0, retry=-1, relay=[80.71.232.142] 2026-09-09T04:12:26.243136+02:00 www sm-mta[1807448]: 6892CNXI1807448: [80.71.232.142] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA-v6 2026-09-09T04:12:31.028397+02:00 www sm-mta[1807540]: 6892CS421807540: AUTH failure (PLAIN): authentication failure (-13) SASL(-13): authentication failure: Password verification failed, user=christian@holzkistenmanufaktur.at, relay=[80.71.232.142] 2026-09-09T04:12:31.093425+02:00 www sm-mta[1807540]: 6892CS421807540: [80.71.232.142] did not issue MAIL/EXPN/VRFY/ETRN during connection to
2026-09-08 23:57.Categories: Brute-Force, SSH.
Comment: 2026-09-09T01:57:17.210015+02:00 serveur1 postfix/smtpd[187966]: warning: unknown[80.71.232.142]: SASL PLAIN authentication failed: (reason unavailable), sasl_username=kensourd@teslogiciels.com 2026-09-09T01:57:23.275843+02:00 serveur1 postfix/smtpd[187966]: warning: unknown[80.71.232.142]: SASL PLAIN authentication failed: (reason unavailable), sasl_username=kensourd@teslogiciels.com …
2026-09-07 13:10.Categories: Brute-Force.
Comment: Detected mail brute force attack from different servers
