Filter Junk Mail with the "TO" Address?

[Joe]

Hi and Happy New Year!

I got my own domain name just so I could track where any junk email
would come from. Every time I give out my email address it is
different...it includes the name of the person/company to whom I am
giving my email address. For instance, if I signed up for a
newsletter from www.catlovers.com, I would give them the email address
of (e-mail address removed). If I did the same for www.doglovers.com, I
would give them the email address of (e-mail address removed).

So for a eight months now I could tell if www.doglovers.com or if
www.catlovers.com sold my email address by the fact that I would have
started to get junk mail address to one of the email addresses I gave
them. That has now happened, but I am not sure how to make MS Outlook
filter those out?

All email that comes to "anything"@joe.net comes to my inbox, but how
do I stop just the emails addressed to (e-mail address removed) from hitting
my inbox?

Thanks for any assistance.

Joe