I know Site5 offers email and used Cpane's interface (Roundcube, Squirrel, Horde). It's a lot cheaper (and easier) for me to resell their email solution as opposed to setting clients up on Google Apps business edition. I wouldn't go with google's Free solutions due to the lack of support (for my personal domains, it does the job).
What are the opinions here of using Site5's or Hostgator's email solutions for clients?
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