To change from POP to IMAP using OS X Mail, you will need to do the following:

1. Open the OS X Mail program.

2. Click Mail.

3. Click Preferences.

4. In the Accounts Box, highlight your account and click the Remove button.

5. Click OK.

6. Click the Add Account button.

- For Account Type, select IMAP.

- Description is just something to label the email account, i.e. My Email Account.

- Email Address is your email address.

- Full Name is your first and last name.

- Incoming Mail Server is imap.myomnitel.com

- User Name is the first half of your email address.

- Password is your normal password.

- Outgoing Mail Server is smtp.myomnitel.com

7. Click Options.

- In Server Port, enter 587.

- Select Password from the Authentication drop down list.

- User Name is your full email address.

- Password is your normal password.

8. Click the Red Circle to close the Accounts Box.