To add a HTML signature into the system, you will need to open the HTML File as a Text File, from here you will need to click into The Person Icon on the top right hand corner and click the option for Settings .
To add email signatures you can either click onto the staff button or onto the E-mail accounts button.
First you will need to click onto the email/staff member you are adding the signature to, and click onto the Email signature option:
To add a new signature, click the edit button on the top right hand corner, you will see this screen:
Here you will need to click onto the source button.
You can now paste in the HTML details into the text box, You need to insure that the signature has publicly available images in order for them to show in the signature.
To Complete the process click the Save button.