

Close the Preferences window to save it, then Quit Apple Mail.If you want to setup the signature to be the default for an email account with auto-load when starting a new message, select the email account in the first column, and choose the new signature.Ensure the Always match my default font checkbox is off.

This text should be recognizable to you as we will use it to help identify the correct signature system file later. Replace the signature contents on the right with some placeholder text.

In Apple Mail, open Preferences > Signatures.In this article we’ll guide you through the process of adding an HTML signature to Apple’s Mail client.
