Remember that, if you have an Enhanced account, you can use ActiveSync, to not only sync e-mails, but also contacts and events.

Here's the step by step for setting up an IMAP account on Android's native mail app.

• Press the device's Menu button.
• Tap Settings.
• Click on Accounts
• Click on Add account.
• Click on Email.
• Enter your full e-mail address and password.
• Select if you want to send e-mails using this account by default
• Click on Next
• Click Manual setup.
• In account type, choose IMAP account.
• Android will automatically use imap.yourdomain.com and smtp.yourdomain.com as hosts, which is OK
• Username field has to be changed to your FULL e-mail address
• Click on Next 3 times in a row, note that on the last page you can setup specific details such as interval for checking mail
• On the last page, Android gives you the option to change the friendly name and also Your name, as it appears to recipients.
• Click on OK to finalize the procedure.

If you want to setup IMAP with SSL, after clicking on Add account > Email and typing in your e-mail and password, fill out the hostnames as per below.

• IMAP server - imap.emailarray.com
• Security type - SSL or SSL/TLS
• Port 993
• SMTP Server - smtp.emailarray.com
• Security type - SSL or SSL/TLS
• Port - 465