Create mailing list from address only

src/freedombone-addlist

@@ -82,7 +82,10 @@ esac
 shift
 done
 
-if ! [[ $MYUSERNAME && $MAILINGLIST && $SUBJECTTAG ]]; then
+if ! [[ $MYUSERNAME ]]; then
+    show_help
+fi
+if [ ! $MAILINGLIST && ! $SUBJECTTAG ]; then
     show_help
 fi
 
@@ -104,6 +107,8 @@ fi
 
 chown -R $MYUSERNAME:$MYUSERNAME $LISTDIR
 
+if [ ${#SUBJECTTAG} -gt 0 ]; then
+    # use the subject tag
     if ! grep -q "Subject:.*()\[$SUBJECTTAG\]" $PM; then
         if [[ $PUBLIC != "yes" ]]; then
             # private emails go after the encryption stage
@@ -133,6 +138,9 @@ $LISTDIR/new
         fi
         chown $MYUSERNAME:$MYUSERNAME $PM
     fi
+else
+    exit ${PROJECT_NAME}-addemail -u $MYUSERNAME -e $LIST_ADDRESS -g $MAILINGLIST --public $PUBLIC
+fi
 
 if [ ! -f "$MUTTRC" ]; then
     cp /etc/Muttrc $MUTTRC