must have

50 aliases would be nicer.

it's really helps! and great! and just works! best product of mozilla

It used to work just fine, but now it stopped forwarding registration/email confirmation emails. Well, it says that it forwards them (the "Forwarded" field is incremented), but no emails arrive in my inbox. Surprisingly, pure-text emails from my other email addresses arrive normally.

Reply 1: I use ProtonMail. And yes, I did check spam and trash and every other folder - it's not there. Also, pure-text emails stopped getting forwarded too :(

Late edit: works perfectly fine now.

I love the idea.

This is just brilliant. Registering for services online without having the concern of some data breach leaking your private mail address or dealing with a company that sells your e-mail address to third parties. Good job Mozilla!