Multiple SASL authentication failures.
Date: 2025 Jan 11. 18:55:25 -- Source IP: 45.137.201.48
P ...
show moreMultiple SASL authentication failures.
Date: 2025 Jan 11. 18:55:25 -- Source IP: 45.137.201.48
Portion of the log(s):
Jan 11 18:55:24 michael postfix/smtpd[205447]: warning: unknown[45.137.201.48]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=titus
Jan 11 18:55:20 michael postfix/smtpd[205447]: warning: unknown[45.137.201.48]: SASL LOGIN authentication failed: Connection lost to authentication server, sasl_username=(unavailable)
Jan 11 18:55:08 michael postfix/smtpd[205447]: warning: unknown[45.137.201.48]: SASL LOGIN authentication failed: Connection lost to authentication server, sasl_username=(unavailable)
Jan 11 18:54:58 michael postfix/smtpd[205447]: warning: unknown[45.137.201.48]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=titus
Jan 11 18:54:58 michael postfix/smtpd[205447]: warning: unknown[45.137.201.48]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=titus
Jan 11 18:54:41 michael postfix/smtpd[205447]: warning
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2025-01-10 19:44:49 dovecot_login authenticator failed for (zwXxsT) [45.137.201.48]:57322: 535 Incor ...
show more2025-01-10 19:44:49 dovecot_login authenticator failed for (zwXxsT) [45.137.201.48]:57322: 535 Incorrect authentication data (set_id=ronise.oliveira)
2025-01-10 19:44:24 dovecot_login authenticator failed for (xZfiMfVS) [45.137.201.48]:54572: 535 Incorrect authentication data (set_id=ronise.oliveira)
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