[Web] Do not create 2M session file when saving large Rspamd global filter maps (thanks @Drago)
[Web] Do not cache content of Rspamd global filter maps
[Web] Feature: Allow to toggle protocols (imap, pop3, smtp) per user (defaults can be configured using vars.local.inc.php, see vars.inc.php)
Signed-off-by: andryyy <andre.peters@debinux.de>