diff --git a/group_vars/mail.yml b/group_vars/mail.yml
index 43e2603..ebf99cb 100644
--- a/group_vars/mail.yml
+++ b/group_vars/mail.yml
@@ -1,7 +1,7 @@
 ---
 datadisks:
   - {size: 10, type: nvme}
-
+mem_size: 4192
 firewall_in:
   - {proto: tcp, port: 22, from: [172.20.20.0/22]}
   - {proto: tcp, port: 25}