How do I send another user mail?
You can send and receive private messages with other MyFitnessPal members mail using our website, or our iPhone, iPad or Android apps. Messages are preserved for 30 days.
On the Web
Visit a user's profile page and click the"Send Message" button
Click the "My Home" tab, then click "Mail", then "Send Message" button.
In our iPad, iPhone and Android apps
Visit the "Messages" page of the app (in the Menu or "More" page)
Tap the "New Message" icon, or tap an existing email then tap the "Reply" icon.
Both your inbox and your sent mail are available on the site and in the iOS and Android apps, for thirty days, after which messages are removed to save space.