How to Check Postfix Version

How to Check Postfix Version :-

How to check your postfix mail server version. Basically, postfix is a open-source mail transfer agent (MTA) and an alternative for Sendmail service which provide the same function.

Following Command for check version  :

postconf -d | grep mail_version

Examples :

[root@centos ~]# postconf -d | grep mail_version

mail_version = 2.6.2

milter_macro_v = $mail_name $mail_version