In your log file, please put the following on the first line. (The password is optional..no password assumes file public)

# email:login@your.machine.edu    password:abcdefg

Here's a sample FTP session from a UNIX machine:
>ftp -i ei.cs.vt.edu
Name (ei.cs.vt.edu:YourName): anonymous
Password: YourName@YourMachine.YourSite.YourAffiliation
ftp> cd /succeed/incoming
ftp> put YourFile.log