Github user btwood commented on the issue:
https://github.com/apache/nifi/pull/2111
@kevdoran No worries. I've actually been working on this for a while. I
have a solution for both the NullPointerException, and also a problem I was
having in my own production environment with strict email addresses. I've all
but committed the code at this point.
I'll be making a commit very soon, and you can see if my fork solves your
problem.
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