Added --trust-sender

Author: davidjarzebowski

backup.config-example

@@ -38,9 +38,9 @@ GHE_NUM_SNAPSHOTS=10
 #
 #GHE_EXTRA_SSH_OPTS=""
 
-# Any extra options passed to the rsync command. Nothing required by default.
-#
-#GHE_EXTRA_RSYNC_OPTS=""
+# Any extra options passed to the rsync command.
+# As of April 2023 the --trust-sender flag is required. 
+GHE_EXTRA_RSYNC_OPTS="--trust-sender"
 
 
 # If set to 'yes', logging output will be colorized.