You should check the Mail app to ensure that the deleted account no longer appears in the account list. Scroll down until you find the section labeled "Passwords & Accounts" or "Accounts & Passwords," depending on your iOS version.
Complete Guide to Removing an Email Account on iPhone
This action opens a detailed menu where you can view the types of data synchronized with that account, such as Mail, Contacts, and Calendars. If the old address you wish to delete is the default, you will need to select a different active account to assume that role.
At the bottom of this screen, you will find the "Delete Account" option. Removing an old email address from your iPhone is a common task that many users face when consolidating accounts or phasing out outdated communication channels.
Complete Guide to Removing an Email Account on iPhone
Accessing the Settings Menu Begin by unlocking your iPhone and locating the Settings app, which is represented by a gear icon. This prevents complications when you attempt to send an email immediately after the deletion process is complete.
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