To reduce the probability of a spammer or attacker determining a valid login on your system, disable Postfix’s VRFY command by adding the following config:
/etc/postfix/main.cf
disable_vrfy_command = yes
To reduce the probability of a spammer or attacker determining a valid login on your system, disable Postfix’s VRFY command by adding the following config:
/etc/postfix/main.cf
disable_vrfy_command = yes