How to upload a file from a Unix server to a network drive using Putty?

I want to upload a file from a Unix Server to a network mapped drive using Putty. Now the Network Mapped drive (in Windows) holds an address something like \......... and is named MyDrive I have been trying the following without any success

ftp <<Network Drive Address>>

but it says invalid address

user $USER $PASS
and then put ...

Is this the way should I do it ? Or am I missing something important down here ? Please explain. Any help is much appreciated.