From Wikanual
Email with links
You can create an email with links to specific files:
1) navigate to the 
folder that contains the files you like to send links to.
2) select the file(s) you like to send with the check box in front of it
3) click on the 
generate email with links icon to start the mail proccess.
4) enter the email recipients and send the email as usual
Your clients will get the email with direct links to the files that you selected.
