Relevant Products: Exclaimer Cloud Signatures for Office 365 | Exclaimer Cloud Signatures for G Suite
However, once a signature has been deployed to Outlook using the Client Side Rule, the hyperlinks are missing when the email has been received.
Unfortunately Outlook does not support image area mapping for content composed within the body of the message in Outlook.
This is the method by which hyperlinks are required to be added to objects rendered as bitmaps which, subsequently, is the method used to apply custom fonts to signatures.
The alternative here is to use custom fonts by using the Font Stack method.
If you are using a background image, you may be able to substitute this as a banner image or use a background colour and split the image into different parts, as a suitable workaround.