You could write a wrapper script, e.g.,

system("D:/EudoraPro/Eudora.exe");

copy($_,'z:/mail_test') foreach glob 'D:/EudoraPro/*.mbx';
copy($_,'z:/mail_test') foreach glob 'D:/EudoraPro/*.toc';
[download]

Then, create a shortcut for the command, perl.exe eudorawrapper.pl and use THAT for starting Eudora.

dmm