May 13 12:15:51 mail.srvfarm.net postfix/smtpd[3373063]: warning: unknown[87.246.7.166]: SASL LOGIN ...
show moreMay 13 12:15:51 mail.srvfarm.net postfix/smtpd[3373063]: warning: unknown[87.246.7.166]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 13 12:15:51 mail.srvfarm.net postfix/smtpd[3373063]: lost connection after AUTH from unknown[87.246.7.166]
May 13 12:16:06 mail.srvfarm.net postfix/smtpd[3373074]: warning: unknown[87.246.7.166]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 13 12:16:06 mail.srvfarm.net postfix/smtpd[3373074]: lost connection after AUTH from unknown[87.246.7.166]
May 13 12:16:24 mail.srvfarm.net postfix/smtpd[3373063]: warning: unknown[87.246.7.166]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 13 12:16:24 mail.srvfarm.net postfix/smtpd[3373063]: lost connection after AUTH from unknown[87.246.7.166]
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Fraud VoIP
Brute-Force
Anonymous
(smtpauth) Failed SMTP AUTH login from 87.246.7.166 (BG/Bulgaria/166.0-255.7.246.87.in-addr.arpa): 5 ...
show more(smtpauth) Failed SMTP AUTH login from 87.246.7.166 (BG/Bulgaria/166.0-255.7.246.87.in-addr.arpa): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2021-05-12 19:21:40 dovecot_login authenticator failed for (n1FTXfL8z) [87.246.7.166]:62945: 535 Incorrect authentication data ([email protected])
2021-05-12 19:22:18 dovecot_login authenticator failed for (T6GEi1g) [87.246.7.166]:64867: 535 Incorrect authentication data ([email protected])
2021-05-12 19:22:57 dovecot_login authenticator failed for (dmyTYQJ) [87.246.7.166]:50526: 535 Incorrect authentication data ([email protected])
2021-05-12 19:23:34 dovecot_login authenticator failed for (8Cd1QUReQ4) [87.246.7.166]:52435: 535 Incorrect authentication data ([email protected])
2021-05-12 19:24:10 dovecot_login authenticator failed for (5b6Iov) [87.246.7.166]:54259: 535 Incorrect authentication data ([email protected])
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May 7 23:55:45 lince postfix/smtpd[25506]: warning: unknown[87.246.7.166]: SASL LOGIN authenticatio ...
show moreMay 7 23:55:45 lince postfix/smtpd[25506]: warning: unknown[87.246.7.166]: SASL LOGIN authentication failed: authentication failure
May 7 23:55:45 lince postfix/smtpd[25506]: lost connection after AUTH from unknown[87.246.7.166]
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May 6 01:53:58 server postfix/smtpd[1187908]: disconnect from unknown[87.246.7.166] ehlo=1 auth=0/1 ...
show moreMay 6 01:53:58 server postfix/smtpd[1187908]: disconnect from unknown[87.246.7.166] ehlo=1 auth=0/1 commands=1/2
May 6 01:54:19 server postfix/smtpd[1187908]: disconnect from unknown[87.246.7.166] ehlo=1 auth=0/1 commands=1/2
May 6 01:54:39 server postfix/smtpd[1187908]: disconnect from unknown[87.246.7.166] ehlo=1 auth=0/1 commands=1/2
...
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