diff --git a/install/debian/10/dovecot/conf.d/20-imap.conf b/install/debian/10/dovecot/conf.d/20-imap.conf
index 1a459f8e4..4f6e058b1 100644
--- a/install/debian/10/dovecot/conf.d/20-imap.conf
+++ b/install/debian/10/dovecot/conf.d/20-imap.conf
@@ -10,7 +10,7 @@ protocol imap {
 
   # Maximum number of IMAP connections allowed for a user from each IP address.
   # NOTE: The username is compared case-sensitively.
-  #mail_max_userip_connections = 10
+  mail_max_userip_connections = 50
 
   # Space separated list of plugins to load (default is global mail_plugins).
   #mail_plugins = $mail_plugins