POP Email Reception
Specifies the directory name to save retrieved attachments, email message bodies, and other MIME parts. If not specified, then a directory named "pop" is created and used under the system temporary directory.
Other Parameters Required:
-popdirectory "<path to selected dir>"
Example (cut-and-paste right into your batch file):
NetMailBot -receive -popdirectory "c:\temp" -popuser username -poppassword password -popserver pop.domain.com