Aug 22 08:12:33 ksol postfix/smtpd[5094]: lost connection after CONNECT from unknown[37.49.225.210]
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show moreAug 22 08:12:33 ksol postfix/smtpd[5094]: lost connection after CONNECT from unknown[37.49.225.210]
Aug 22 08:12:34 ksol postfix/smtpd[5354]: NOQUEUE: reject: RCPT from unknown[37.49.225.210]: 554 5.7.1 Service unavailable; Client host [37.49.225.210] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/37.49.225.210; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<win2012r2rdp.domain>
Aug 22 08:12:36 ksol postfix/smtpd[5094]: warning: unknown[37.49.225.210]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 22 08:12:36 ksol postfix/smtpd[5354]: lost connection after RCPT from unknown[37.49.225.210]
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Aug 19 10:30:36 staklim-malang postfix/smtpd[241898]: lost connection after CONNECT from unknown[37. ...
show moreAug 19 10:30:36 staklim-malang postfix/smtpd[241898]: lost connection after CONNECT from unknown[37.49.225.210]
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Mail authentication attempts. warning: unknown[37.49.225.210]: SASL LOGIN authentication failed: aut ...
show moreMail authentication attempts. warning: unknown[37.49.225.210]: SASL LOGIN authentication failed: authentication failure
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