cakephp/cakephp — pull request #1384 by mevdschee (2013-06-27 21:15:22+00:00)
Title: Add option to send email attachment from string (not only from file).

I would be very pleased if this option would be available in some
future version. Thank you.

This is an alternative to "dereuromark" his "addBlobAttachment" approach
in https://github.com/dereuromark/tools/blob/master/Lib/EmailLib.php