diff --git a/conf/fail2ban/jail.local b/conf/fail2ban/jail.local
index a338e07b..9ecb2095 100644
--- a/conf/fail2ban/jail.local
+++ b/conf/fail2ban/jail.local
@@ -11,3 +11,5 @@ enabled  = true
 [dovecot]
 enabled = true
 filter  = dovecotimap
+findtime = 30
+maxretry = 20