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Tag Archives: postfix

Disable Postfix VRFY

Posted on 8 Oct 2017 by chopsake

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

 

Posted in Internet, Linux, Security | Tagged postfix

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