October 31, 2019 11:30 a.m.
There is a known issue with iOS 13 Apple Mail app and forwarded emails in which the body of the message may not inluded.
Users may switch from the Apple Mail app to Outlook for iOS. The app can be downloaded from the Apple app store. For information on the Outlook app, please visit https://apps.apple.com/us/app/microsoft-outlook/id951937596.