gpc/grails-mail — pull request #17 by jameswwarner (2014-04-10 20:57:29+00:00)
Title: Allow different configurations to be passed to mail service.

This is a very simple solution to allowing users to have different mail configurations to be used. It would solve issues like these referenced on StackOverflow:

http://stackoverflow.com/questions/21020955/grails-change-mail-plugins-configurations-dynamically
http://stackoverflow.com/questions/18978650/grails2-1-dynamic-mail-configuration