Email Message field doesn’t work with formatting

When I add formatting to the text in the email field (whether in visual or text) it reverts to plain no-wrap lines in visual or reformatted code in text mode.

ex. After Saving (text mode changes to Visual)

Thank you for your purchase.

1. Please download the PDF Printable Coupon attached to this email.
2. Bring it with you
3. Present it.

<p>We will redeem your coupon for you.</p> <p>Thank you, The Team </p> https://myDomain.com

It should show in Visual as you expect the code to render, but when viewed after saving in text mode it shows like:

Thank you for your purchase.

1. Please download the PDF Printable Coupon attached to this email.
2. Bring it with you to Butcher Block Grill
3. Present it to your server at the beginning of your meal.

<p>Your Server will redeem your coupon for you.? This coupon is not redeemable for cash. </p> <p>? Thank you, The Butcher Block Grill Team </p> https://ButcherBlockGrill.com

Please Help!