The new gems are universal and work perfectly with both Rails 2.3 and Rails 3. If you use the postmark gem without Rails you can now use it with Mail instead of Tmail.
We also added support for attachments in this release. For examples, installation and configuration notes please check the README file.
Huge thanks to Randy Schmidt, David Pitman, Chris Williams, and Daniel McOrmond for the contributions!
This post was originally published Sep 17, 2010