Nov 1 20:34:49 mx1 postfix/smtpd[31603]: disconnect from unknown[
45.142.120.53]
Nov 1 20:34:50 mx1 postfix/smtpd[17065]: warning: unknown[
45.142.120.53]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 1 20:34:50 mx1 postfix/smtpd[17065]: disconnect from unknown[
45.142.120.53]
unknown[
45.142.120.53]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 1 20:35:03 mx1 postfix/smtpd[27983]: disconnect from unknown[
45.142.120.53]