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Create an HTML email signature in Mac Mail

Adding an HTML email signature in Mac Mail

If you’re an Apple user, you might think you’re missing out on HTML email signature in Mac Mail. Email Signatures (or email sign-offs) provide a wonderful opportunity to include your brand in an organised clean manner. In particular, they can be a great place for a secondary CTA (call-to-action) and other necessary email footers (i.e. unsubscribe & support links). Your social media and other contact details can also appear here. This is something you want to have pre-built as you’re not going to want to type it out every single time you write a new email.

Ain't nobody got time for that meme lady looking frustrated

We know that HTML email signatures are great for your brand.. Not true, but Mac Mail hasn’t made it simple to implement. Here’s a step-by-step guide to help you out.

Step 1. Create your HTML Email Signature

Before you can create your Mac Mail HTML signature, you need to first generate your HTML File,
Personally, I do this by using HubSpot’s email signature generator. These steps will work no matter what means you use to create your HTML file.

Now, if you’re using GMail or an email client like Outlook, the next steps are simple. Open the HTML file you created within a web browser (I use Chrome), highlight the content, then hit copy, go to the signature area of your email application window and hit paste. BUT for Mac Mail it’s unfortunately not so simple. Follow the steps below and hopefully this will make things a bit easier for you.

Step 2. Create the Email Signature File in Mac Mail

  • Open Mac Mail
  • Create a new email
  • Click “Signature”, and then in the drop-down “edit signature”
  • Select the Inbox you want to create a signature for
  • Press the + button
  • Name the signature
  • Close the pop-up window
  • Close Mac Mail completely

Step 3. Locate the HTML email signature file

  • Open up a finder window
  • Select your Macintosh HD folder
  • Go to Users
  • Select your username (If you cannot see the hidden folders, press cmd+shift+dot. Repeat this to hide them again if you wish)
  • Open Library (hidden folder)
  • Open Mail
  • Open V7 (or whichever V folder is the newest)
  • Open MailData
  • Open Signatures
  • Within this folder, there will be all your signature folders with random strings for their filename.
  • Locate the newest one (this is the file you created in step 1).

Step 4. Add HTML Code to the Mac Mail file

  • Open the signature file with a text editor (I prefer Sublime text)
  • Leave the first 5-lines of code (the last line of code will begin with Mime-Version – leave this entire line as is).
  • Delete every line BELOW that line.
  • Copy and paste your HTML code (from Step 1)
  • Paste it 2 lines below the Mime-Version line.
  • Save your and close the file
  • Return to your finder window, select the signature file you just edited and press Cmd+I (Get Info).
  • Under General check “locked”
  • Close this window, and double-check you can see a padlock on your file (If you ever need to edit your signature file, you need to reverse this step to temporarily unlock the file).

Step 5. See your HTML email signature in action

  • Well, if you made it this far, congratulations!
  • Open Mac Mail
  • Create a new email
  • If you cannot see the signature, make sure your sending inbox is the one you selected in step 2.
  • If you still don’t see it, click signature and select it manually from the drop-down list.
  • Enjoy!

Need some help?

If this all seems a little bit too technical, never fear! Get in contact with us at Brugel Creative and we can create and add an HTML email to your Mac Mail account for you.

 

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