Apr 29 16:56:22 srv01 postfix/smtpd[11440]: warning: unknown[190.116.62.70]: SASL LOGIN authentication failed: authentication failure
Apr 29 16:56:22 srv01 postfix/smtpd[11440]: warning: unknown[190.116.62.70]: SASL LOGIN authentication failed: authentication failure
Apr 29 16:56:23 srv01 postfix/smtpd[11440]: warning: unknown[190.116.62.70]: SASL LOGIN authentication failed: authentication failure
Schick uns mal bitte deine Konfiguration der main.cf
Solltest du in /etc/postfix finden
