diff --git a/modoboa_installer/scripts/files/postfix/main.cf.tpl b/modoboa_installer/scripts/files/postfix/main.cf.tpl
index 2d2d0f6..fc87268 100644
--- a/modoboa_installer/scripts/files/postfix/main.cf.tpl
+++ b/modoboa_installer/scripts/files/postfix/main.cf.tpl
@@ -2,7 +2,7 @@ inet_interfaces = all
 inet_protocols = ipv4
 myhostname = %hostname
 myorigin = $myhostname
-mydestination =
+mydestination = $myhostname
 mynetworks = 127.0.0.0/8
 smtpd_banner = $myhostname ESMTP
 biff = no