These allow you to use the full power of the the python email package
along with Zope's Page Template technology to easily build and send
fully standards compliant emails.
This release adds the ability to create attachments using string data.
It also fixes a long list of bugs uncovered by public testing and has
been tested for compatability with Zope 2.7, Zope 2.8, CMF 1.4 and CMF 1.5.