this check does not apply.
-2.18 Format of delivery error messages [3.7]
+2.17 Format of delivery error messages [3.7]
--------------------------------------------
[Standard report formats should be used if possible.]
-Exim's delivery failure reports do not conform to the format described in RFC
-1894.
+Exim's delivery failure reports are MIME format, and might be RFC1894
+conformant, but this has not been verified.
## End ##