You can however create your own Skype buttons by linking an image in your email signature to the Skype ... Salesforce provides a way to build your... How to Add a Signature Block to Outlook ...

Regular readers know of my mad love for services like Boomerang for Gmail and FollowUpThen, which let you “snooze” emails you receive so they appear at the top of your inbox at a later time.

Unfortunately, these buttons sometimes don't show up well in emails. You can learn how to create an email-friendly "Buy ... around the world use... How to Add a Link to a Google Chat Window ...