1. 2019-03-15 [1] Postfix stable release 3.4.4 postfix-a Wietse Venema 2. 2019-03-11 [1] Postfix stable release 3.4.3 postfix-a Wietse Venema 3. 2019-03-10 [1] Postfix stable release 3.4.2 postfix-a Wietse Venema 4. 2019-03-08 [1] Postfix stable release 3.4.1 postfix-a Wietse Venema