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The Internet Archive is under attack, with a popup claiming a ‘catastrophic’ breach
(www.theverge.com)
This is a most excellent place for technology news and articles.
For users of Gmail, I can confirm this works and you can even set it up so that address+nameofshop goes to a folder called "nameofshop."
You can also apparently add a dot anywhere before @gmail.com and still receive the email. I haven't tried this one, but the last time I mentioned this someone said it was part of the email standard, so presumably it works.
I don't know of tricks specifically of this vein for proton mail, but I do know you can setup a catch-all address so, for example, something addressed to invalidaddress@domain.com goes instead to spam@domain.com.
I've not tried SimpleLogin, but apparently it offers similar functionality.
can confirm, foo@gmail.com works just the same as f.o.o@gmail.com