Oct 15 05:05:18 xxxxx postfix/submission/smtpd[1670037]: lost connection after CONNECT from unknown[ ... show moreOct 15 05:05:18 xxxxx postfix/submission/smtpd[1670037]: lost connection after CONNECT from unknown[151.41.16.87]
Oct 15 05:05:32 xxxxx postfix/submission/smtpd[1670037]: warning: unknown[151.41.16.87]: SASL LOGIN authentication failed: UGFzc3dvcmQ6, [email protected]
Oct 15 05:05:32 xxxxx postfix/submission/smtpd[1670037]: lost connection after AUTH from unknown[151.41.16.87]
Oct 15 05:05:32 xxxxx postfix/submission/smtpd[1670037]: disconnect from unknown[151.41.16.87] ehlo=2 starttls=1 auth=0/1 commands=3/4 show less
Oct 15 00:52:38 server postfix/smtpd[2040872]: connect from unknown[151.41.16.87]
Oct 15 00:52 ... show moreOct 15 00:52:38 server postfix/smtpd[2040872]: connect from unknown[151.41.16.87]
Oct 15 00:52:45 server postfix/smtpd[2040872]: lost connection after AUTH from unknown[151.41.16.87]
... show less