If you’re referring to the email addresses that pop up in suggestions in the mail app, tap on “I”. In the next window, scroll all the way down and tap “Remove from Recents”.
How do I delete old email addresses from my iPhone?
If you are referring to the email addresses that come up as suggestions in the mail app, tap on “I” to the right of the suggested contact. Now scroll all the way down and then tap on “Remove from Recents”.
Can I delete an email I sent?
To get rid of the email, find the “Undo” button at the bottom of the box, click it and your email will be sent back to your account.
Can you permanently delete an email address?
Deleting an email account on the web is easier than deleting it on your desktop computer.