To be able to FTP from the QDLS you need to use the HFS (Hierarchical File System) naming format. In your FTP session you need to use the following command to switch to HFS naming :-
Then you can put from the QDLS :-
put /QDLS/EMAIL/EMAIL.ZIP d:\ftp\folder/email.zip
The FTPPUT command is not part of the OS as far as I know – we don’t have it on our system, so I can’t help you with that.