I’ve just upgraded php to 5.6.x, and I couldn’t login to roundcube any more.

Since I use a self signed certificate I’ve added the following fix to config/config.inc.php:


$config['imap_conn_options'] = array(
'ssl' => array(
'verify_peer' => false,
'verify_peer_name' => false
),
);


Credits: https://bbs.archlinux.org/viewtopic.php?id=187063