1. Take the latest version of foxmail 7.2 as an example, click the right mouse button and select? "Toolbar Settings"

2. Click Settings on the toolbar, select "Template Management" and close this dialog box.

3. Template Management appears in the toolbar. Click to enter.

4. Click on the html template in template management (this format is recommended) and put the mouse cursor before the sender's signature.

5. Then enter the backspace key, delete the dotted line, and click Save.

6, and then click on the account settings to choose? Html template mail

7. Click on the account to create a new email, and you will find that the dotted line in front of the signature has been deleted.