1.3

Updated dependencies
Add support for Scala 2.12

1.2

Updated dependencies
Use HTTPS endpoint for Postmark

1.1.3

Fixed UTF-8 support

1.1.2

Added 'TrackOpens' parameter

1.1.1

Added support for Scala 2.11
Dropped support for Scala 2.9.x

1.1

Support multipart messages

1.0

Initial release