tweak mail message. closes #494
tweak mail message. closes #494

bmesuere/uni-test,unipept/unipept,bmesuere/uni-test,unipept/unipept,unipept/unipept,unipept/unipept,bmesuere/uni-test,bmesuere/uni-test,unipept/unipept,bmesuere/uni-test