When viewing Messages, you have the following mailboxes available:
Inbox - Received Messages
Sent - Outgoing Messages
Trash - Deleted Messages
View Messages
From the Home tab, select the "Team" you wish to manage.
Tap Messages.
Tap Inbox, Sent, or Trash.
Select a "Message" to view.
Reply to Messages
Continuing from the directions above, tap Reply.
You may tap To to add additional recipients to your response.
Once all desired recipients have been selected, tap the Checkmark.
Tap Message and input message body.
Once satisfied, tap the Send Icon in the upper right-hand corner.
Delete Message
Continuing from View Message directions above, tap the Trash icon.
Tap Trash to confirm.