Tag Archives: Apple Mail

How to set up an HTML email signature in Apple Mail

Creating and adding your email signature to Apple Mail should be as easy as possible. Is it, though? If you’ve ever had any problem with setting up your email signature in Apple Mail, this guide is for you. I’ll show you how to create an email signature with a free email signature generator and how to add it to the Apple’s native email client.

How to add signature to Apple Mail

How to add an HTML email signature in Apple Mail – the easy way

To set up a professional email signature in Apple Mail, follow this short instruction:

  1. Before you begin, a word of warning. If possible, don’t use the email signature generator with the Safari browser. I don’t want to point fingers, but this browser has the tendency of adding unnecessary formatting to signatures. So, unless you want to give a slight Picasso vibe with an abstract signature formatting, use another browser, or proceed at your own risk.
  2. Go to the signature generator, leave the default email client (Outlook) and follow the intuitive interface to create your own email signature. When in doubt, you can always refer to the user’s manual. When the email signature preview on the right looks great, click Apply your signature.
Apple Mail HTML signature generator
  1. Next, Copy your signature to the clipboard.
Copy Apple Mail HTML signature
  1. Start your Mail App.
Open Mail App
  1. Then, in Mac Mail, go to Mail > Preferences > Signatures.
Mail App Preferences
  1. Before you proceed with anything else, switch from All signatures to your email account (1), add a new email signature with the + button (2) and uncheck the Always match my default message font option (3). If you don’t do it, the signature probably won’t turn out right. Next, paste the signature you have copied earlier (4) and (optionally) select it as the default one (5). The signature won’t look right in the Apple Mail’s editor at this point.
Apple Mail Signatures Settings
  1. When you compose a new email, the signature should be there with all the formatting and images displayed correctly (even if they were missing in the signature editor).
Apple Mail signature standard mode

Not so hard, was it?

How to add an HTML email signature in Apple Mail – the hard way

This method is not that hard, but definitely takes more time than the previous one. You might wonder why would anyone want to choose the hard way when the first method is so easy and works well?

I might have failed to mention one tiny detail. If you use the easy way, your email signature will not be entirely dark mode friendly:

Apple Mail signature dark mode not-so-friendly

While dark mode in Apple Mail isn’t the most reliable and tends to behave unexpectedly (whenever I open any email for the second time, the background magically becomes white), you can set up your signature to be completely dark mode friendly. The method described below is also a fallback option if you can’t set up your HTML email signature the easy way, whatever the reason.

  1. In the email signature generator, follow the same steps you would follow in the easy way. But instead of Outlook, choose Thunderbird as your email platform. When you click Apply your signature, you will be able to Generate the HTML code of your signature. Highlight and copy everything starting from <BODY to </BODY> (included). Copy it to the clipboard or a text file: you will need it later.
Apple mail signature generator HTML
  1. Then, launch your Apple Mail and go to Mail > Preferences.
Mail App Preferences
  1. On the Signatures tab, select your email account in the leftmost column, add a new email signature using the + button and close the Mail App.
New default Apple Mail signature
  1. You may ask, “What about the signature?”. It needs to be added in a completely different way. Now comes the hard part. Click your Finder app.
Open Finder App
  1. Click the Go menu, hold your Command key and click Library. Remember that this directory will be hidden unless you hold the Command key.
Finder Library
  1. Go to Mail > V8 > Mail Data > Signatures (the V8 folder can have a different number). In this folder, take a look at the Date Modified values and find the most recent file, ignoring the AllSignatures.plist and AccountsMap.plist ones. Your file will have a long ID and the .mailsignature extension. Right-click this file (or ctrl+click if you are the owner of a one-button mouse) to bring out the context menu. Choose Open With > Text Edit (the Notepad of Apple users).
Edit signature in TextEdit
  1. Now, you need to delete everything below the line which starts with Mime-Version. Everything in the orange frame below should be deleted. Then, paste the HTML code from step 1.
SIgnature file - replace with HTML code
  1. After you paste the HTML code, go to File > Save and close TextEdit.
Save your HTML Apple email signature
  1. The next time you compose an email, you should be able to pick the new dark mode friendly email signature.
Apple Mail signature dark mode friendly

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Animated gifs in email signatures

For some people, animated gifs are the essence of the Internet – before them, there was nothing of interest. Gifs have opened our eyes to the magic of ultra-cute, animated kittens, memes and epic fails, to mention a few. But apart from those highly popular and reusable gifs, there is another type of gifs – simple animations which in the business world could be deemed as professional.

How about pasting them into email signatures then? Thanks to our atavistic predator instinct, nothing grabs our attention as much as a moving objects next to a static background (that is, regular email content). Animated gifs seem like they are crafted for this purpose exactly. Be careful though, as the line between “attention-grabbing” and “extremely annoying” is finer than you might think.

Animated gifs in email signatures
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