PPM>search Email-valid
Packages available from http://theoryx5.uw.. PMServer:
Email-Valid [0.13] Check validity of Internet email addresses
PPM>install Email-Valid
Install package 'Email-Valid?' (y/n): y
Installing package 'email-Valid'...
Error installing package 'Email-Valid': Read a PPD for 'Email-Valid', but it is not intended for this build of Perl (MSWin32-x86-multi-thread)