implement a fix on # of e-mail addresses that can be blocked
Everyone usually blocks spam e-mail addresses. However, there is a limit to how many can be blocked. After that, spam e-mails can only be deleted. How about adding a date stamp to blocked spam e-mail addresses and delete them when they are four months old? By then, spammers have moved on to other e-mail addresses so you don't have to worry about the one you blocked 4 months ago. That will free up room for new spam e-mail addresses to be blocked.
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