To stop receiving these emails, please remember a password you never set

There is a short answer about unsubscribe friction and a useful one, and they are not the same. What follows is the useful one.

One click is technically standard

Email standards include headers that let a mail client offer an unsubscribe button directly, without opening the message or visiting a website. Major mail providers surface that button prominently, which means senders who implement it correctly are unsubscribed from in one action. Senders who do not implement it force the reader into a browser, a login and a preference page instead.

The capability is free, well documented and widely supported, so its absence is a configuration decision rather than a technical limitation. Checking whether your mail client shows an unsubscribe control before hunting for a link in the footer saves most of the effort.

The preference centre is friction with a helpful face

A page offering to reduce frequency, change topics or pause for ninety days is converting a decision to leave into a configuration task. Each option presented is a place to stop, and stopping means remaining subscribed, which is the same funnel logic as a cancellation flow.

Read the terms and there it is: an unsubscribe-from-all control usually exists somewhere on the page, frequently below the categories and in smaller type. Where the page requires a login, the friction has become substantial, since it demands credentials for an account you may never have created. Anti-spam rules in many jurisdictions require opt-out to be simple and free, and a mandatory login is a reasonable thing to complain about.

Never click unsubscribe in genuine spam

For unsolicited mail from an unknown sender, the unsubscribe link confirms that the address is live and monitored, which increases its value. Legitimate marketing from a company you have a relationship with is a different case, and unsubscribing there works normally and is worth doing. Distinguishing the two is usually easy, since one arrives from a business you recognise and the other does not.

For the unrecognised category, marking as spam trains the filter and communicates nothing to the sender, which is the correct combination. Loading remote images has a similar signalling effect, which is why most mail clients now block them by default.

How you ended up on the list

Addresses commonly arrive through a purchase, a competition entry, a wifi sign-in, a pre-ticked box or a partner sharing arrangement. Consent obtained by a pre-ticked box is invalid under several privacy regimes, which is why the practice has declined in some markets and not others. List sales and data brokerage remain widespread, and an address given once can reappear years later through a chain nobody involved can reconstruct.

Somewhere in the release notes, using an address alias per service makes the source identifiable, since the alias that started receiving mail identifies who shared it.

That is the single most useful technique available and it takes a few seconds per sign-up.

Legal routes that actually exist

Many jurisdictions require a functioning, free and simple opt-out, and require the sender to honour it within a stated period. Privacy regimes in several regions also give a right to object to direct marketing entirely, which is broader than unsubscribing from one list. Complaints to a data protection or communications regulator carry weight for repeat offenders, particularly with evidence of a request being ignored.

Keeping the unsubscribe confirmation and a copy of a message received afterwards is the entirety of the evidence needed. Rules vary enormously by country, so check what applies where you live rather than assuming any particular regime.

Practices change, and a company that does this today may have quietly stopped by the time you read it.

Getting the inbox back

Use the mail client unsubscribe button rather than the footer link wherever it appears, since it is faster and it does not load a tracking page. Set aside twenty minutes once and unsubscribe from everything received that week, which removes most of the recurring volume permanently.

Use aliases or a plus-addressed variant for new sign-ups so future sources are identifiable without any detective work. Filter rather than delete for senders you want occasionally, because a folder is a lower-effort answer than a decision each time. And treat any list requiring a login to leave as spam, because that is functionally what it has decided to be.

The takeaway

Use the mail client button, not the footer link, and use an alias next time.

The fix is usually trivial, which is the most annoying part.