The only mail account you'll ever need:

10MB Storage (can be increased on demand)
Appointments diary and calendar
Read your mail by POP3 and webmail
Read all your other POP accounts as well
Import all your address books from Outlook etc.
FULL Spam Guard and White/Black List Control
Compose Rich Html with images and smilies etc.

PLUS the exclusivity and cachet of the Landlord.co.uk name