A very simple handling:

Buy a domain. Get Proton, or Apple, or any other custom-domain email service.

Setup catch-all incoming mail.

Every merchant receives an email like merchantname@donotwriteto.me

Then you can either sort those out, or if they are malicious and not deleting you from your email lists, you can block the incoming traffic on that email.

This way you still can verify your email, comm stays private and you can have your own peace of mind, but you don't have to keep the spam in your primary inbox.

This is good advice for email/newsletter subscriptions, but that isn't what the article is about.

Highly recommend this, I no longer need any spam filtering following this approach.

My old Gmail would be loaded with spam and the filter would screw up and mislabel legitimate mail. Now, no spam at all.

It also helps when your email is involved in a data breach which is becoming the norm now.

Although be prepared for awkward in person interactions when a business wants your email. Everything from "no, your email silly not mine" to "I own this business name you can't have it in your email address"

It's def good advice.

I've been doing something similar with Firefox relay to have proxy emails that I can regenerate if needed, it worked well but not for every site. Recently I've been testing SimpleLogin and it worked every time, it's by Proton.

You obviously didn't read the article at all since it's about paying for subscriptions.

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