1. First, take the latest version 7.2 of foxmail as an example. Right-click the mouse to select Toolbar Settings, click in Toolbar Settings, and select Template Management to close this dialog box.

2. Then "Template Management" appears in the toolbar, click to enter, click to select an html template (this format is recommended) in template management, and put the mouse cursor in front of the sender's signature.

3. Secondly, enter the backspace key, delete the dotted line, click Save, then click Account Settings, and select the html template email.

4. Finally, click on the account to create a new email address, and you will find that the space behind the signature has been deleted.