MFC r327236:Replace send-mail with the more standarized sendmail, we do not createlinks for send-mail in mailwrapper so it did not work anyway.
Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.Prune svn:mergeinfo from the new branch, as nothing has been mergedhere.Additional commits post-branch will follow.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Rename the dma directory into dmagent to avoid collision on unclean ojectdirectory where an old dma binary can remain
Move all the dma(8) components into one single directorySimplifying maintainance and options (only one place to deal with MK_DMAGENT)This also makes packaging base less intrusive by getting a single point whereto add tags.
Add a mailer.conf example to use dma