Hello, Q Q mailbox can add a signature when sending an email. The specific adding method can be as follows: Click "Settings" at the top of the internal page of the mailbox to enter the mailbox setting page; Select the "Letter Writing and Signature" tab to enter the signature editing page; You can edit the multimedia signature in graphic editing mode, check "Use personalized signature" and click "Save changes". When writing a letter, you can see your personal signature in graphic editing mode. Hope to adopt, thank you!