Here are the steps to set up your signature on the new web-mail.infoquest.com webmail interface.
1. Login at https://web-mail.infoquest.com with your email address and password.
2. Click on the "Settings" link at the top right hand corner.
3. Click on "Identities" link.
4. On the column to the right select your identity, there you can edit your settings and add your signature, click Save.