Messages stuck in the Outbox in iOS Mail

Messages may be stuck in outbox because the attachment size was too big, internet connectivity issues or there might be a problem with the account. When emails are in the outbox it may not allow you to send new emails and you will need to empty the outbox.

Go to the Outbox any time there's a pending email in it. Any other time, the Outbox is hidden.

  1. Open the iOS mail app.
  2. In the top-left, tap either Mailboxes or your Yahoo Mail account name.
  3. Scroll to your Yahoo mailbox.
  4. Tap Outbox.
  5. Tap Edit.
  6. Select the messages you want to delete.
  7. Tap Trash.
  8. Compose and send the message again.