- Sign in to Roundcube webmail on the server assigned to your account.
- Open Settings.
- Choose Identities, then select the email address you want to edit.
- Enter your signature in the Signature field.
- If you want formatted text or links, enable the HTML signature option and format the signature in the editor.
- Select Save.
Roundcube may change the exact location or wording of these controls between releases, but signatures are managed under Settings and Identities.
