How to Create a Personalized HTML Email Signature

| How-To

Cut & Paste

In the mail signature file in TextEdit, highlight the code and delete it. Make sure to keep the header, and ONLY delete the text that begins and ends with <body>, as shown in the below image.

Removing code from the mail signature file to add custom code for our HTML email signature.

Only delete the highlighted text

Now, open the email signature file we created earlier. Copy and paste the HTML code in the exact same space that the old code inhabited, as seen below. After that, you can save and close TextEdit.

Pasting the code for our HTML email signature in TextEdit.

Pasting the code for our HTML email signature

Back to Mail

Finally, we can go back to Apple Mail. Open up Preferences again and go to the signature you created. You’ll see the new HTML signature in the right pane.

Seeing the new HTML email signature in Apple Mail.

Seeing our new email signature

If the signature looks a little funky, like mine does, you can repeat the above steps. And, if you know HTML code, you can customize it to your liking. But that’s outside the scope of this article.

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Neil Ashley

What an absolutely bloody fantastically clear guide to doing this. Thank you so much. Brilliant!


There is an easier way. I use TextEdit to create my signature (fonts and colors), then go to Signatures in Mail, create a new one, paste it in, and that’s that.

John Kheit
John Kheit

Wow, super job Andrew! Sad that Apple doesnt let you do this easier, but really appreciate you showing us the flaming hoops!