diff --git a/.gitignore b/.gitignore
index 3c87c1f..2ad8044 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 datasets.txt
 nodes.txt
 old-snapshot.txt
+sendnodes.tmp
\ No newline at end of file
diff --git a/backup.sh b/backup.sh
index 4cc9fb0..6aded5b 100755
--- a/backup.sh
+++ b/backup.sh
@@ -17,9 +17,10 @@ datasets_file="datasets.txt"
 if [ ! -f $nodes_file ]; then echo "No nodes specified."; exit 2; fi
 if [ ! -f $datasets_file ]; then echo "No datasets specified."; exit 3; fi
 
-ZFS_SEND_OPTS="-R"
+ZFS_SEND_OPTS="-vpRLe"
 ZFS_SNAPSHOT_OPTS="-r"
 ZFS_RECV_OPTS="-svu"
+SSH_SEND_OPTS="-Ti ~/.ssh/id_rsa"
 
 read LOCAL_HOST LOCAL_USER LOCAL_PORT LOCAL_TZ SEND_COMPRESSED < $nodes_file
 case $SEND_COMPRESSED in
@@ -27,7 +28,7 @@ case $SEND_COMPRESSED in
 esac
 
 ORIGIN_PERMS="send,snapshot,hold"
-MIRROR_PERMS="compression,receive,create,mount,mountpoint"
+MIRROR_PERMS="compression,receive,create,mount,mountpoint,readonly,jailed"
 
 SEND_DATASETS=""
 SNAPSHOT_DATASETS=""
@@ -70,12 +71,12 @@ list_remote_datasets() {
             esac
         fi
         if [ $BG_TEST_MODE = "TRUE" ]; then
-            echo ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr\
+            echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr\
                 "sh -c 'for dataset in $SEND_DATASETS;
                     do zfs list -H $zroot\$dataset;
                 done'"
         else
-            ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
+            ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
                 "sh -c 'for dataset in $SEND_DATASETS;
                     do zfs list -H $zroot\$dataset;
                 done';"
@@ -96,7 +97,7 @@ get_latest_remote_snapshot()
             *) zroot="$zroot/" ;;
         esac
     fi
-    ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
+    ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
         "zfs list -t snapshot $zroot\$dataset    |
             tail -n1|cut -d'@' -f2|cut -d' ' -f 1"
 }
@@ -123,12 +124,12 @@ zfs_allow_mirrors()
             esac
         fi
         if [ $BG_TEST_MODE = "TRUE" ]; then
-            echo ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
+            echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
                 "for dataset in $SEND_DATASETS; do
                     zfs allow -u $user $MIRROR_PERMS $zroot\$dataset
                 done"
         else
-            ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
+            ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
                 "for dataset in $SEND_DATASETS; do
                     zfs allow -u $user $MIRROR_PERMS $zroot\$dataset
                 done"
@@ -162,11 +163,11 @@ send_latest()
             origin_snapshot=`get_latest_snapshot $dataset`
             if [ $BG_TEST_MODE = "TRUE" ]; then
                 echo zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot  \| \
-                    ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr \
+                    ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
                     zfs recv $ZFS_RECV_OPTS $zroot$dataset
             else
                 zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot |
-                    ssh -i ~/.ssh/id_rsa -o port=$ssh_port \
+                    ssh $SSH_SEND_OPTS -o port=$ssh_port \
                     $user@$addr                            \
                     zfs recv $ZFS_RECV_OPTS $zroot$dataset
             fi
@@ -191,13 +192,13 @@ send_increment()
                 echo zfs send $ZFS_SEND_OPTS     \
                     -i $dataset@$remote_snapshot \
                     $dataset@$origin_snapshot    \| \
-                        ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr  \
+                        ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr  \
                             zfs recv $ZFS_RECV_OPTS $zroot$dataset
             else
                 zfs send $ZFS_SEND_OPTS          \
                     -i $dataset@$remote_snapshot \
                     $dataset@$origin_snapshot    |
-                        ssh -i ~/.ssh/id_rsa -o port=$ssh_port $user@$addr  \
+                        ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr  \
                             zfs recv $ZFS_RECV_OPTS $zroot$dataset
             fi
         done