From 2018, I have been using fake emails for signup on websites that I am sure I wouldn't be using again.

In rare occasion that I do keep using the website, I change it to one of my 'useful' mails. This has kept so much spam at bay for me.

I guess this is why spamgourmet became almost unusable in recent years. It's a pity because the service is effective at blocking spam but I can imagine there is abuse potential.

Would it help if they could check if the account is older than one month?