SquirrelMail - web based email.
User administration - set password and forwarding options.
Filter configuration - configure maildrop filters for your mailbox (e.g. spam filtering).
Domain administration - configure mailboxes and aliases for your domains.
tghost.co.uk certificate authority - get the tghost.co.uk root certificate here, use for SSL/TLS with this mail service.
You may then want to ensure you are accessing this page using SSL/TLS.
tghost.co.uk mail settings - settings for configuring a mail client.