diff --git a/src/freedombone b/src/freedombone
index 957d23d7..b632e94a 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -4778,7 +4778,7 @@ function spam_filtering {
     echo '#!/bin/bash' > /usr/bin/filterspam
     echo 'for d in /home/*/ ; do' >> /usr/bin/filterspam
     echo '    USERNAME=$(echo "$d" | awk -F '"'"'/'"'"' '"'"'{print $3}'"'"')' >> /usr/bin/filterspam
-    echo '    if [[ $USERNAME != "git" && $USERNAME != "mirrors" ]]; then' >> /usr/bin/filterspam
+    echo '    if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then' >> /usr/bin/filterspam
     echo '        MAILDIR=/home/$USERNAME/Maildir/.learn-spam' >> /usr/bin/filterspam
     echo '        if [ ! -d "$MAILDIR" ]; then' >> /usr/bin/filterspam
     echo '           exit' >> /usr/bin/filterspam
@@ -4800,7 +4800,7 @@ function spam_filtering {
     echo '#!/bin/bash' > /usr/bin/filterham
     echo 'for d in /home/*/ ; do' >> /usr/bin/filterham
     echo '    USERNAME=$(echo "$d" | awk -F '"'"'/'"'"' '"'"'{print $3}'"'"')' >> /usr/bin/filterham
-    echo '    if [[ $USERNAME != "git" && $USERNAME != "mirrors" ]]; then' >> /usr/bin/filterham
+    echo '    if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then' >> /usr/bin/filterham
     echo '        MAILDIR=/home/$USERNAME/Maildir/.learn-ham' >> /usr/bin/filterham
     echo '        if [ ! -d "$MAILDIR" ]; then' >> /usr/bin/filterham
     echo '            exit' >> /usr/bin/filterham
diff --git a/src/freedombone-archive-mail b/src/freedombone-archive-mail
index 973c0148..b9c9c67e 100755
--- a/src/freedombone-archive-mail
+++ b/src/freedombone-archive-mail
@@ -35,7 +35,7 @@ export TEXTDOMAINDIR="/usr/share/locale"
 
 for d in /home/*/ ; do
     USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-    if [[ $USERNAME != "git" && $USERNAME != "mirrors" ]]; then
+    if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
         # for every user who has a mail directory
         if [ -d /home/$USERNAME/Maildir ]; then
             MUTTRC=/home/$USERNAME/.muttrc
diff --git a/src/freedombone-backup-remote b/src/freedombone-backup-remote
index 954e531f..50b708bc 100755
--- a/src/freedombone-backup-remote
+++ b/src/freedombone-backup-remote
@@ -182,7 +182,7 @@ function backup_configuration {
 function backup_users {
     for d in /home/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-        if [[ $USERNAME != "git" && $USERNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 
             # personal settings
             if [ -d /home/$USERNAME/personal ]; then
@@ -650,7 +650,7 @@ do
         # Social key management
         for d in /home/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-            if [[ $USERNAME != "git" && $USERNAME != "mirrors" ]]; then
+            if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
                 disperse_key_shares $USERNAME $REMOTE_DOMAIN $REMOTE_SSH_PORT "$REMOTE_PASSWORD" $REMOTE_SERVER
             fi
         done
diff --git a/src/freedombone-controlpanel b/src/freedombone-controlpanel
index 6c84ff72..ac03bb6f 100755
--- a/src/freedombone-controlpanel
+++ b/src/freedombone-controlpanel
@@ -417,7 +417,7 @@ function show_users {
     echo '--------------------------------------------------------------------------'
     for d in /home/*/ ; do
         USRNAME=$(echo "$d" | awk -F '/' '{print $3}')
-        if [[ $USRNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USRNAME != "git" && $USRNAME != "mirrors" && $USRNAME != "sync" ]]; then
             echo -n -e "$(pad_string ${USRNAME})"
             # get the SIP extension
             SIPEXT=
@@ -653,7 +653,7 @@ function irc_set_global_password {
             # replace the password for all users
             for d in /home/*/ ; do
                 IRC_USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-                if [[ $IRC_USERNAME != "git" && $IRC_USERNAME != "mirrors" ]]; then
+                if [[ $IRC_USERNAME != "git" && $IRC_USERNAME != "mirrors" && $IRC_USERNAME != "sync" ]]; then
                     if [ -f /home/$IRC_USERNAME/.irssi/config ]; then
                         sed -i "s|$EXISTING_IRC_PASSWORD|$NEW_IRC_PASSWORD|g" /home/$IRC_USERNAME/.irssi/config
                         chown -R $IRC_USERNAME:$IRC_USERNAME /home/$IRC_USERNAME/.irssi
diff --git a/src/freedombone-restore-local b/src/freedombone-restore-local
index 798046c9..5b5c689f 100755
--- a/src/freedombone-restore-local
+++ b/src/freedombone-restore-local
@@ -121,7 +121,7 @@ function unmount_drive {
 	echo $"Setting permissions"
 	for d in /home/*/ ; do
 		USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-		if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+		if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 			chown -R $USERNAME:$USERNAME /home/$USERNAME
 		fi
 	done
@@ -395,7 +395,7 @@ function restore_mutt_settings {
 	if [ -d $USB_MOUNT/backup/mutt ]; then
 		for d in $USB_MOUNT/backup/mutt/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
@@ -427,7 +427,7 @@ function restore_gpg {
 	if [ -d $USB_MOUNT/backup/gnupg ]; then
 		for d in $USB_MOUNT/backup/gnupg/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
@@ -461,7 +461,7 @@ function restore_procmail {
 	if [ -d $USB_MOUNT/backup/procmail ]; then
 		for d in $USB_MOUNT/backup/procmail/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
@@ -488,7 +488,7 @@ function restore_spamassassin {
 	if [ -d $USB_MOUNT/backup/spamassassin ]; then
 		for d in $USB_MOUNT/backup/spamassassin/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ -d $USB_MOUNT/backup/spamassassin/$USERNAME ]; then
 					if [ ! -d /home/$USERNAME ]; then
 						${PROJECT_NAME}-adduser $USERNAME
@@ -564,7 +564,7 @@ function restore_user_ssh_keys {
 	if [ -d $USB_MOUNT/backup/ssh ]; then
 		for d in $USB_MOUNT/backup/ssh/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
@@ -591,7 +591,7 @@ function restore_user_config {
 	if [ -d $USB_MOUNT/backup/config ]; then
 		for d in $USB_MOUNT/backup/config/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
@@ -618,7 +618,7 @@ function restore_user_fin {
 	if [ -d $USB_MOUNT/backup/fin ]; then
 		for d in $USB_MOUNT/backup/fin/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
@@ -645,7 +645,7 @@ function restore_user_local {
 	if [ -d $USB_MOUNT/backup/local ]; then
 		for d in $USB_MOUNT/backup/local/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
@@ -715,7 +715,7 @@ function restore_personal_settings {
 	if [ -d $USB_MOUNT/backup/personal ]; then
 		for d in $USB_MOUNT/backup/personal/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ -d $USB_MOUNT/backup/personal/$USERNAME ]; then
 					if [ ! -d /home/$USERNAME ]; then
 						${PROJECT_NAME}-adduser $USERNAME
@@ -862,7 +862,7 @@ function restore_owncloud {
 		chown root:root $OWNCLOUD_PATH/config/config.php
 		for d in /home/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				$OWNCLOUD_PATH/occ files:scan $USERNAME
 			fi
 		done
@@ -996,7 +996,7 @@ function restore_blog {
 		fi
 		for d in /home/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ -d /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post ]; then
 					mv /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/*.md /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post
 				fi
@@ -1037,7 +1037,7 @@ function restore_email {
 	if [ -d $USB_MOUNT/backup/mail ]; then
 		for d in $USB_MOUNT/backup/mail/*/ ; do
 			USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-			if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
 				if [ ! -d /home/$USERNAME ]; then
 					${PROJECT_NAME}-adduser $USERNAME
 				fi
diff --git a/src/freedombone-restore-remote b/src/freedombone-restore-remote
index e0ebc08c..e13f6891 100755
--- a/src/freedombone-restore-remote
+++ b/src/freedombone-restore-remote
@@ -286,7 +286,7 @@ function restore_mutt_settings {
     fi
     for d in $SERVER_DIRECTORY/backup/mutt/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/mutt/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -317,7 +317,7 @@ function restore_gpg {
     fi
     for d in $SERVER_DIRECTORY/backup/gnupg/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/gnupg/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -349,7 +349,7 @@ function restore_procmail {
     fi
     for d in $SERVER_DIRECTORY/backup/procmail/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/procmail/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -375,7 +375,7 @@ function restore_spamassassin {
     fi
     for d in $SERVER_DIRECTORY/backup/spamassassin/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/spamassassin/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -437,7 +437,7 @@ function restore_ssh_keys {
     fi
     for d in $SERVER_DIRECTORY/backup/ssh/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/ssh/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -463,7 +463,7 @@ function restore_user_config {
     fi
     for d in $SERVER_DIRECTORY/backup/config/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/config/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -489,7 +489,7 @@ function restore_user_fin {
     fi
     for d in $SERVER_DIRECTORY/backup/fin/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/fin/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -515,7 +515,7 @@ function restore_user_local {
     fi
     for d in $SERVER_DIRECTORY/backup/local/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/local/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -582,7 +582,7 @@ function restore_personal_settings {
     fi
     for d in $SERVER_DIRECTORY/backup/personal/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/personal/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME
@@ -730,7 +730,7 @@ function restore_owncloud {
         # re-index files
         for d in /home/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-            if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+            if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
                 $OWNCLOUD_PATH/occ files:scan $USERNAME
             fi
         done
@@ -858,7 +858,7 @@ function restore_blog {
         fi
         for d in /home/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
-            if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+            if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
                 if [ -d /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post ]; then
                     mv /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/*.md /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post
                 fi
@@ -950,7 +950,7 @@ function restore_email {
     fi
     for d in $SERVER_DIRECTORY/backup/mail/*/ ; do
         USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
-        if [[ $USERNAME != "git" && $USRNAME != "mirrors" ]]; then
+        if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
             if [ -d $SERVER_DIRECTORY/backup/mail/$USERNAME ]; then
                 if [ ! -d /home/$USERNAME ]; then
                     ${PROJECT_NAME}-adduser $USERNAME