Added DKIMVerify mailet (JDKIM-24)
Extracted common code from DKIMSign. Like DKIMSign we don't use jdkim mime4j parser but instead rely on javamail mimemessage for the needed header parsing.
The mailet simply adds a mail attribute: some more code/mailet will be needed to add headers.

git-svn-id: https://svn.apache.org/repos/asf/james/jdkim/trunk@998369 13f79535-47bb-0310-9956-ffa450edef68
5 files changed