How to Configure Default Folders for IMAP

1. Tap Settings, Mail, Contacts, Calendars, Select your account, scroll down and Tap Advanced
   

   

2. Under Mailbox Behaviors, tap Drafts Mailbox.
3. Under On the Server, tap Drafts.
4. Tap Advanced and Tap the Sent Mailbox.
5. Under On the Server, tap Sent.
6. Tap Advanced and then Tap Deleted Mailbox.
7. Under On the Server, tap Trash.