Encrypt incoming mail for multiple users

src/freedombone

       echo ':0 f' >> /home/$MY_USERNAME/.procmailrc
       echo "| /usr/bin/gpgit.pl --encrypt-mode prefer-inline --inline-flatten $MY_EMAIL_ADDRESS" >> /home/$MY_USERNAME/.procmailrc
       chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.procmailrc
+      echo '' >> /etc/skel/.procmailrc
+      echo ':0 f' >> /etc/skel/.procmailrc
+      echo -n '| /usr/bin/gpgit.pl --encrypt-mode prefer-inline --inline-flatten $USER@' >> /etc/skel/.procmailrc
+      echo "$DEFAULT_DOMAIN_NAME" >> /etc/skel/.procmailrc
   fi
   echo 'encrypt_incoming_email' >> $COMPLETION_FILE
 }