https://foia.state.gov/search/results.aspx?searchText=rabbit&beginDate=&endDate=&publishedBeginDate=&publishedEndDate=&caseNumber=
Three latest uploads that include the word 'rabbit' as of a couple days ago.
Well, one is. The other two came from January.
UNCLASSIFIED U.S. Department of State Case No. F-2016-07895 Doc No. C06166848 Date: 08/29/2018
Doesn't seem to mention a date of the actual email.