diff --git a/mail.sh b/mail.sh
index f2ae559..860c62c 100644
--- a/mail.sh
+++ b/mail.sh
@@ -873,6 +873,7 @@ server {
     access_log /var/log/nginx/roundcube_access.log;
 
     root /usr/share/webapps/roundcube;
+    client_max_body_size 0;
 
     # Postfixadmin
     location ^~ /admin/ {