To implement auto-change of fonts in Thunderbird, you can follow these steps:
Open Thunderbird: Launch Thunderbird on your computer.
Access the Thunderbird Options: Click on the "Menu" button (three horizontal lines) located at the top-right corner of the Thunderbird window. From the drop-down menu, select "Options."
Open the Composition tab: In the Options window, click on the "Composition" tab on the left-hand side.
Click on the "Fonts & Colors" button: Under the Composition tab, click on the "Fonts & Colors..." button.
Customize the fonts: In the Fonts & Colors window, you can specify different fonts for various elements of your emails. You can modify the following options:
- Proportional: Set the font for the body of your email.
- Serif: Set the font for serif text.
- Sans-serif: Set the font for sans-serif text.
- Monospace: Set the font for monospaced text.
Enable "Allow messages to use other fonts": Check the box next to "Allow messages to use other fonts."
Save your changes: Click on the "OK" button to save your font settings.
By following these steps, you have enabled auto-change of fonts in Thunderbird. When you receive an email, Thunderbird will respect the font settings specified by the sender.