The problem with filters is that the company will continue to send mail to your address forever. I was getting messages everybday on every conceivable topic and I finally just unsubscribed through their link from my cell. It has been two weeks and not a single new message. If it did not work for you, it may be that you are getting ads from different subsidiaries of the same parent company. Unsubscribe from all until you get zero. There were no traps, worms or other consequences from doing this!! Much easier and then they know you don't want them. If they are a legit company (as appears to e the case) there are official FTC consequences for ignoring 'Unsubscribe' directives, and you have recourse if they do not stop. If all you do is filter, you will still be on their list and if they sell their list, other companies will then have your email. This obviously does not work for illicit spammers whose links you should never click on.
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