Part 3: The Mail Preview feature in iOS. The Mail Preview allows us to preview - read - a portion of an email while it is unopened in your Inbox. The portion of the email that can be previewed can range from none and up to five lines and is set by you in your Settings App. This can save you time in processing your emails and make you more efficient in using your Mail App. In fact, you may even be able to scroll through the majority of your Inbox without even having to open a single email.  Read more we would love to hear from you! Send us an email at info@BlindAbilities.com or give us a call and leave us some feedback at 612-367-6093