To move an email to the Junk folder, open it, tap the arrow point to the left, then tap Move to Junk. 

To block a sender, tap their email address, then select Block this Contact. 

To Unsubscribe

• Open an email from the sender you want to unsubscribe from.

• At the bottom of the message, tap Unsubscribe or Change preferences. If you don't see these options, follow the steps above to block the sender or mark the message as spam.