diff --git a/group_vars/all b/group_vars/all
index 2b2d09e..147fafa 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -26,6 +26,7 @@ ssh:
 mail:
     sync_tool: isync
     sync_time: 10min
+    sync_boot_delay: 2min
     sync_on: trusted
 
 network:
diff --git a/roles/mail/templates/mailsync.timer.j2 b/roles/mail/templates/mailsync.timer.j2
index 93e8e1f..ccf5d60 100644
--- a/roles/mail/templates/mailsync.timer.j2
+++ b/roles/mail/templates/mailsync.timer.j2
@@ -3,6 +3,7 @@
 Description=Mailbox synchronization timer
 
 [Timer]
+OnBootSec={{ mail.sync_boot_delay }}
 OnUnitActiveSec={{ mail.sync_time }}
 Unit=mailsync@%i.service