How to set different per-account email signatures on your iPhone and iPad

  1. Launch Settings from your Home screen.
  2. Tap Mail, Contacts, Calendars.
  3. Tap Signature under the Mail section.

  4. Tap Per Account.

    Tap Mail, Contacts, Calendars, tap Signature, tap Per Account

  5. Tap the end of the existing Signature.
  6. Tap the delete button to delete the existing text.

  7. Type your new Signature.

    Tap the end of the Signature, tap delete, type new Signature

  8. Tap Mail when you are done typing.

    Tap Mail to return to previous screen