Thanks for the reply.
OS: Windows 7 Professional
PHP: 5.3.6.0, I ran the VC9 x86 Thread Safe installer from
http://windows.php.net/download/.
Command output:
Microsoft Windows [Version 6.1.7600]
Copyright 2009 Microsoft Corporation. All rights reserved.
C:\Users\[user]>ymdt put mem -v
Yahoo! Mail Development Tool Version 1.28
Developer server: developer.mail.yahoo.com
put:
[sensitive data removed]