Setting up mail on your Apple iPhone
1. Locate and open the Settings app.
2. Scroll down until your find the Mail section and select it.
3. Select Accounts.
4. Select Add Account.
5. Choose Google.
6. Enter your full ATS email address in the Email or Phone field.
7. Enter your ATS username and password as normal.
8. Your device will ask you to verify your identity. Select your preferred verification method from the list of options. When entering the verification information, make sure Trust This device is checked before you proceed.
9. Select what you want to sync from Mail, Contacts, Calendars, and Notes.
You can now access your ATS email via the Mail app! It may be a few minutes before it displays any email, as it needs to download the data from your inbox first. If you have multiple email accounts on your phone already, you can select Mailboxes in the Mail app in order to select which inbox you want to view.