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You can use custom fonts across your referral journey on the website screens, but not on emails. This can be done via font URLs or by uploading a ZIP file.

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Uploading Custom Fonts Using a URL

If you’re using fonts from Adobe Typekit or Google Fonts, you can paste the stylesheet into the URL box.

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Adobe Typekit URL

For Adobe Typekit, ensure your fonts are in a “Web Project” and use the URL ending in .css:
Adobe Typekit web project showing font URL

Adobe Typekit web project showing font URL.

1

Navigate to Font Settings

Go to Content > Themes in the left-hand side navigation and select the Manage fonts button.
2

Enter Your Font URL

Click the Change button, enter your font URL, and click Save.
Entering the font URL in the Mention Me platform

Entering the font URL in the Mention Me platform.

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Google Fonts URL

For Google fonts, take the API URL (found when selecting @import) and paste it into the URL box:
Google Fonts import URL for embedding custom fonts

Google Fonts import URL for embedding custom fonts.

Follow the same steps as above: navigate to Content > Themes → Manage fonts → Change → paste URL → Save.

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Uploading Custom Fonts in a ZIP

Name the font file(s) accordingly. This is how they will appear in the theme editor. Ensure the custom font is in a supported format (.ttf file) and zip the file before uploading.
1

Navigate to Font Settings

Go to Content > Themes in the left-hand side navigation and select the Manage fonts button.
2

Upload the ZIP File

Select the Upload new font zip button and select your zip file (may take a few minutes).
3

Set as Current

Click the arrow button and confirm by clicking the Set as current button.
Uploading a custom font ZIP file in the platform

Uploading a custom font ZIP file in the platform.

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Email Fonts

We don’t use custom fonts in Mention Me emails.

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Plain Text Emails

The Share by email and the Forwarded email don’t have any styling including fonts because they are plain text. When the customer shares these emails, the customer’s email client controls the styling.

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Other Emails

In styled emails (the other referrer and referee emails), we don’t add custom fonts as we can’t guarantee they will be received as designed. Adding a font to an email is fundamentally different to adding a font to the normal referral flow. With emails, the email will search the environment it lands in for that font (the individual customer’s inbox). If the customer doesn’t have that font installed on their system, the email will display a default font and may cause other design breakages. We use web safe fonts to guarantee emails will be received as intended.

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Default Web Safe Fonts

  • Arial, sans-serif
  • Verdana, sans-serif
  • Tahoma, sans-serif
  • Trebuchet MS, sans-serif
  • Times New Roman, serif
  • Georgia, serif
  • Garamond, serif
  • Courier New, monospace
  • Brush Script MT, cursive
Last modified on July 13, 2026