In this tutorial, you'll learn how to add email signatures on iPhone and iPad in the standard email app. With the iOS Email App, you can set up a signature for all email accounts you use, or use different signatures for each account.
To learn how to add custom email signatures to your iPhone and iPad, read the following article:
Set up e-mail signature - Instructions
1. Open the settings on the iPhone and iPad
2. Scroll down and select "Mail".
3. scroll down again and select "Signature
4. Enter your custom email signature. This can be the same for all connected email accounts or different for each account.
If you have an iPhone and an iPad, you need to set up signatures on both devices because they don't sync automatically.
So for both devices, follow the same steps as described above.
Now you know how to add a custom signature within the email app on an iPhone or iPad for all accounts or for each account individually.