diff --git a/.vscode/numbered-bookmarks.json b/.vscode/numbered-bookmarks.json
index 42f0836..a22f3d0 100644
--- a/.vscode/numbered-bookmarks.json
+++ b/.vscode/numbered-bookmarks.json
@@ -4,15 +4,15 @@
 			"fsPath": "$ROOTPATH$/pilerbackup.sh",
 			"bookmarks": [
 				-1,
-				332,
+				359,
 				65,
+				185,
+				257,
 				-1,
 				-1,
 				-1,
 				-1,
-				-1,
-				-1,
-				576
+				603
 			]
 		}
 	]
diff --git a/pilerbackup.sh b/pilerbackup.sh
index 8f99d88..e9992ae 100644
--- a/pilerbackup.sh
+++ b/pilerbackup.sh
@@ -183,6 +183,11 @@ err503Path="$scriptPath/503_backup.html"
 err503File="${err503Path##*/}"
 webroot="/usr/share/nginx/html"
 
+# piler-export related
+exportAll=0
+exportStart=$(date +'%Y.%m.%d')
+exportEnd=$(date +'%Y.%m.%d')
+
 
 ### process startup parameters
 while [ $# -gt 0 ]; do
@@ -250,6 +255,28 @@ while [ $# -gt 0 ]; do
                 badParam empty "$@"
             fi
             ;;
+        -a|--all)
+            # export ALL email stored in piler
+            exportAll=1
+            ;;
+        --start)
+            # export starting at this date
+            if [ -n "$2" ]; then
+                exportStart="$2"
+                shift
+            else
+                badParam empty "$@"
+            fi
+            ;;
+        --end)
+            # export ending at this date
+            if [ -n "$2" ]; then
+                exportEnd="$2"
+                shift
+            else
+                badParam empty "$@"
+            fi
+            ;;
         *)
             printf "${err}\nUnknown option: %s\n" "$1"
             printf "${cyan}Use '--help' for valid options.{$norm}\n\n"
@@ -345,7 +372,7 @@ if [ "$exportAll" -eq 1 ]; then
     printf "${ok}[%s] -- [SUCCESS] Exported EML files from piler --${norm}\n" \
         "$(stamp)" >> "$logFile"
 else
-    if ! pilerexport -a $exportStart -b $exportEnd 2>>"$logFile"; then
+    if ! pilerexport -a "$exportStart" -b "$exportEnd" 2>>"$logFile"; then
         exitError 115 "There was a problem while exporting EML from piler"
     fi
     printf "${ok}[%s] -- [SUCCESS] Exported EML files from piler --${norm}\n" \