Horde
Will need to change default way of Compositing emails
- Log into Horde
- Log > Preferences > Mail >Composition
- Change "Default method to compose messages:" to Rich Text(HTML)
- Save
To add the Signature
- Cog > Preferences > Mail
- Personal Information
- In the secotion for "Your signature to use when composing with the HTML editor (if empty, the text signature will be used):"
- Click Source, paste in the full code.
- Click Save
RoundCube
Will need to also change default way of Compositing emails
- Log into RoundCube
- Settings > Preferences > Composing Messages
- Change "Compose HTML Messages" to Always
- Save
To add the Signature
- Settings > Identities > Click on your email
- Fill in "Display Name" If not already filled in.
- Tick "HTML signature"
- In the "Signature" Section click on "HTML"
- Untick "Word Wrap"
- Paste in the code click update.
- Click Save.