I now added an eMail-Response in case of failure to print.
This needs a working mail command.

#!/bin/bash

SUPPORTED_FILETYPES=".pdf.jpg.png.tif.gif"

LP_OPTIONS="-o media=A4,tray1 -o fit-to-page -o position=top -o scaling=100"



MAILFILE=~/mailtemp/$(date +%H%M%S).txt

PRINT_FOLDER=~/printable



/usr/bin/fetchmail --bsmtp $MAILFILE



if [ "$?" = "0" ]; then

   MAIL_ADDRESS=$(grep 'From:' $MAILFILE | sed -n -e 's/^[^<]*<\([^>]*\)>.*$/\1/p')

   /usr/bin/uudeview +e $SUPPORTED_FILETYPES -p $PRINT_FOLDER -i $MAILFILE

   rm $MAILFILE



   PRINTED="no"



   for f in $PRINT_FOLDER/*

   do

      if [ "$f" != "$PRINT_FOLDER/*" ]; then

         LP_OUTPUT=$(lp $LP_OPTIONS $f)

         if [ "$?" != "0" ]; then

            MAILTEXT="File $f could not be printed."

            echo "$MAILTEXT" | mail -s "Print-Error" $MAIL_ADDRESS

         fi

         rm $f

         PRINTED="yes"

      else

         if [ "$PRINTED" = "no" ]; then

            echo "No printable Attachments" | mail -s "Print-Error" $MAIL_ADDRESS

         fi

      fi

   done

   ~/mailprint

fi

For that to work, you have to add the following line to your .fetchmailrc:

fetchlimit 1

I fear, that is not my cup of tea...