I do something similar - I set up a subdomain that's configured to accept anything@, and every time some website wants me to signup and requires me to supply my email, I use <website address>@subdomain as the address. It doesn't stop the random spammers (the people who email sales@, info@, webmaster@ etc) but it's useful for seeing which sites sell my address.

In reply to Re: Re: I filter my mail by mischief
in thread I filter my mail by vroom

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