I would say individual accounts sending memos to one another should be allowed to use the 0.001 minimum but as soon as the account is sending 30+ in a space of time those memos should not go through and should be pushed up in stages so say for every 30 after that it doubles so 0.002, 0.004 and do on! Keep wallet memo spam to a minimum! I don’t mind the free money but a lot of new steemians are taking up these resteem bot offers and not understanding it! It’s clearly a profitable excercise that they keep doing it 

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