1. For hyperlinks with linked text, you need to manually add changes to the e-mail by selecting a field, such as About Us, and then selecting Create Hyperlink in the editing toolbar. If you do this, every time you send a letter, you need to modify it, which is a lot of work.
2. Once and for all, change email templates and tools in Foxmail- >; Template management: edit the personal signature in the template and add hyperlinks to the text by imitating 1.