How do I change the text and link colors of my email signature ? Luc Castera February 22, 2015 18:10 Follow Under the styling tab, we have options for setting the font style, size and colors. Related articles How do I change the layout/theme of my signature? How do I add an email signature in Apple Mail on macOS? How do I save a signature ? How do I add a email signature to Gmail Mail ? How do I add an email signature in Outlook 2016 for Mac? Comments 0 comments Please sign in to leave a comment.