I have never heard nor contacted Dropbox at all and yet they have been sending me advert material THREE TIMES - the first one in Dec 2016, the second in Jul 2018 and the most recent one in 14th Aug this year (2019 ). On these 3 occasions I immediately told them to stop sending me any more advert material, but they IGNORED all my messages. This time they have been STALLING - said they 'will reach out for more details or for a solution'. My reply was, 'There's NO other solution but to unsubscribe me asap - as simple as that !!! 'Actually my rating is 0 star