-# It is important for this to exist universally, instead of
-# just on the mail host because if we change mail host and
-# still have something in the queue which was destined for
-# this router, but hosts were unreachable, the routers will
-# be reevaluated on the next retry.
+
+# old file
+rm -fv /etc/exim4/conf.d/router/880_backup_copy
+
+
+# It is important for this to exist everywhere except in MAIL_HOST
+# non-nn config. Previously, just had it in the nn-config on MAIL_HOST,
+# but that is a problem if we change mail host and still have something
+# in the queue which was destined for this router, but hosts were
+# unreachable, the routers will be reevaluated on the next retry.