Although you can add and manage email accounts directly from an iPhone, some users may prefer to synchronize their email settings and mailboxes from their computer. For example, if you use the Apple Mail application on an iMac, you can use iTunes to transfer your email account settings to your iPhone. Then when you use the Mail app on your phone, the device will automatically connect to your email accounts and download the contents of your mailboxes. Writer Bio

How to Sync iMac Mailboxes With an iPhone - 10