If you can give a trial, and nice transition option, as well as backup option to mbox format, I'd pay around the same rackspace is asking for managed email. [Ad

If you can give a trial, and nice transition option, as well as backup option to mbox format, I'd pay around the same rackspace is asking for managed email. [Added on a second thought]: I'd also consider to pay a license fee for a domain or several domains for client websites.