Name: Mail Stationery
Mac Platform: Intel
OS version: 10.10 or higher
Change log is variable as this is the full 'purchasable' 2.0 version as to the current 'free' initial app 2.0.4
Courtesy of C.O.R.E.
Mail Stationery provides access to a collection of stationery templates for Apple's Mail. Whether you want to wish your colleague a happy birthday, invite your significant other for a movie night, or share a joke with your friends, Mail Stationery will deliver.
Mail Stationery features a clean-cut style and high functionality combined with the powerful pull of personalization. You can edit all text content, including the colorful headings with custom fonts. Mix your own photos with an elegant stationery template, and a positive reaction from your recipients is guaranteed.
Some of the templates come with multiple additional color themes and design variations. You can explore these by simply clicking on the background of an email that was created with your choice of stationery.
More info: http://www.jumsoft.com/mail-stationery/
Mac App Store: https://itunes.apple.com/us/app/mail-stationery/id956821909?mt=12