I am considering to switch the email service from my current web hosting to Zoho and got a few question before making decision. Can the Zoho Support help on this?

1. Does Zoho Mail support IMAP or POP? Can I read and write Zoho emails in my macbook and iphone?

2. Does each email address under my account have its own password?

3. Can I back up the emails to local drive and delete from the server when I used nearly up to 2 GB?

4. Does the Zoho Calendar Events have integration with Mail? Is Zoho Calendar service free? Can I check Zoho calendar events on my iphone's Calendar App?

5. If I do not want to use Zoho Mail service anymore, is it easy to switch to another one?

Thanks much!