How do I add my email signature to Apple Mail on iOS?
Open your signature link in Safari on your iPhone.
Select and copy your signature to your clipboard.
Open the Settings app and go to Mail > Signature.
Tap into the signature field and paste your signature.
Your signature should now show up in new emails.
How do I add my email signature to Apple Mail on iOS?
Copy your signature from htmlsig.com and paste it into iOS Mail settings.