diff --git a/setup/mail-dovecot.sh b/setup/mail-dovecot.sh
index 0926ce9a..c6e6cb3a 100755
--- a/setup/mail-dovecot.sh
+++ b/setup/mail-dovecot.sh
@@ -144,7 +144,7 @@ service imap-login {
   }
 }
 protocol imap {
-  mail_max_userip_connections = 20
+  mail_max_userip_connections = 40
 }
 EOF