Jul 22 19:03:12 mail postfix/submission/smtpd[3446]: warning: customer-187-49-63-78.f1net.com.br[187 ...
show moreJul 22 19:03:12 mail postfix/submission/smtpd[3446]: warning: customer-187-49-63-78.f1net.com.br[187.49.63.78]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jul 22 19:03:12 mail postfix/submission/smtpd[3446]: lost connection after AUTH from customer-187-49-63-78.f1net.com.br[187.49.63.78]
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Jul 22 19:03:12 mail postfix/submission/smtpd[3446]: warning: customer-187-49-63-78.f1net.com.br[187 ...
show moreJul 22 19:03:12 mail postfix/submission/smtpd[3446]: warning: customer-187-49-63-78.f1net.com.br[187.49.63.78]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jul 22 19:03:12 mail postfix/submission/smtpd[3446]: lost connection after AUTH from customer-187-49-63-78.f1net.com.br[187.49.63.78]
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Jul 22 19:03:12 mail postfix/submission/smtpd[3446]: warning: customer-187-49-63-78.f1net.com.br[187 ...
show moreJul 22 19:03:12 mail postfix/submission/smtpd[3446]: warning: customer-187-49-63-78.f1net.com.br[187.49.63.78]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jul 22 19:03:12 mail postfix/submission/smtpd[3446]: lost connection after AUTH from customer-187-49-63-78.f1net.com.br[187.49.63.78]
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Port Scan
Hacking
Spoofing
Anonymous
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
Anonymous
Failed SMTP AUTH login from 187.49.63.78 (BR/Brazil/customer-187-49-63-78.f1net.com.br): 5 in the la ...
show moreFailed SMTP AUTH login from 187.49.63.78 (BR/Brazil/customer-187-49-63-78.f1net.com.br): 5 in the last 3600 secs
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