[root@localhost sasl2]# postconf -d | grep mail_versionmail_version = 2.10.1milter_macro_v = $mail_name $mail_version
[root@localhost sasl2]# rpm -qa | grep postfixpostfix-2.10.1-6.el7.x86_64
如何查看postfix的版本
原文:http://www.cnblogs.com/chucklu/p/5930594.html