Yes, I know all that and have multiple privacy and security features in operation. I don’t need advice on surfing safely.
Think about what I said: My real address is rarely used and has not been spammed for years, until very soon after I gave it to Gearbest.
Maybe coincidence. The only way to find out is to put the news here, and ask if others have the same experience. If not, then it probably wasn’t Gearbest.