Sending & Deliverability

Unsubscribes & the Preference Centre

Last updated July 7, 2026

Every email Super Speedy Emails sends carries a working unsubscribe link, and the plugin honours it instantly — including one-click unsubscribe from the email client itself. This page explains how unsubscribing works, the different “scopes” an unsubscribe can apply to, and why product-update emails have their own opt-out that’s separate from marketing. It also covers the preference centre, where subscribers can fine-tune what they receive instead of opting out entirely.

If you want the underlying model of categories and the suppression list, read Email Categories & Unsubscribes alongside this — this article is about the unsubscribe experience; that one is about the data model behind it.

The unsubscribe link

Emails include a link of the form:

https://yoursite.com/sse/u/?t=<token>&s=<scope>
  • t is a unique, per-subscriber token — it identifies the person without needing them to log in.
  • s is the scope — what, exactly, they’re unsubscribing from.

When someone clicks it, they’re unsubscribed immediately and shown a short confirmation page with a link to the preference centre (in case they’d rather adjust their settings than opt out completely). The same link also works as a one-click unsubscribe in email clients that show an “Unsubscribe” button at the top of the message (the List-Unsubscribe standard) — those clients can unsubscribe the person without even opening your email.

Scopes: what an unsubscribe actually silences

Not every unsubscribe is “stop all email”. The scope in the link controls how much it switches off:

ScopeWhat it stopsWhat it leaves on
marketingAll marketing email — newsletter, list broadcasts, product-marketingProduct updates, transactional, account/security
product_supportProduct-update / changelog emailsMarketing, transactional, account/security
category:<id>One newsletter categoryAll other categories + everything else
list:<id>One mailing listOther lists + everything else
product_marketing:<id>Marketing for one productEverything else
allEverythingOnly genuinely essential mail isn’t guaranteed off

The link in each email uses the scope that matches it — a newsletter email’s footer unsubscribes from the newsletter; a product-update email’s footer unsubscribes from product updates; and so on. A subscriber can always escalate to “everything” from the preference centre.

Note: a public unsubscribe link will never silently opt someone out of all email unless the link explicitly says so (all). This protects people from accidentally cutting off, say, a receipt or a security notice by clicking a newsletter unsubscribe.

The key idea: product updates ≠ marketing

This is the part worth understanding clearly. Marketing emails and product-update (support) emails have completely separate unsubscribes. They don’t affect each other:

  • If a customer unsubscribes from marketing, they still receive product updates — changelogs, security notices, breaking-change warnings for products they own. Those aren’t promotional; they help the customer keep working software running.
  • If a customer unsubscribes from product updates, they still receive your marketing (unless they opt out of that too).
  • Only a global opt-out (all), or an automatic suppression from a hard bounce or spam complaint, stops everything.

Why separate them? Because they serve different purposes and most customers want different things from each. Someone might be done with your newsletter but very much want to know when a plugin they rely on ships a security fix — or vice-versa. Bundling the two opt-outs together would force an all-or-nothing choice that serves neither you nor the customer. Keeping product-update emails on the product_support category, with its own opt-out, is what makes that possible.

This matters for the Automated Support & Changelog Emails feature in particular: those emails ride the product_support category, so a marketing unsubscribe doesn’t suppress them, and a product-update unsubscribe doesn’t touch your marketing list.

What happens behind the scenes when someone unsubscribes

An unsubscribe does two things, so the person’s choice is respected everywhere:

  1. It records a suppression for that scope — a permanent “do not send this kind of email to this address” entry. The sending pipeline checks this before every send.
  2. It updates their preferences so the preference centre stays in sync — for example, unsubscribing from a category switches that category off in their record; unsubscribing from a list drops that list membership; unsubscribing from marketing clears their marketing opt-in.

You can see and manage all suppressions under Super Speedy Emails → Suppressions. Bounces and spam complaints reported by your email provider also land here automatically — see Tracking & Reporting.

The preference centre: manage instead of unsubscribe

Most people who click “unsubscribe” don’t actually want nothing — they want less. The preference centre gives them that option, which keeps more subscribers engaged than a blunt opt-out.

There are two ways to expose it:

  • A page with the
    shortcode.
    Set this page under Settings → General; the confirmation page after an unsubscribe links to it.
  • The WooCommerce “Email Preferences” tab in My Account, if you sell with WooCommerce — see WooCommerce Integration.

From the preference centre a subscriber can:

  • Join or leave individual lists.
  • Choose which newsletter categories they want.
  • Pick their newsletter frequency — every post as it’s published (instant), or a periodic digest.
  • Toggle their overall marketing opt-in.

Pointing your unsubscribe messaging at “manage your preferences” rather than a dead-end goodbye is one of the simplest ways to retain subscribers. See Subscription Management for how the page behaves.

Compliance notes

  • Every marketing and product-update email includes a working unsubscribe link and the List-Unsubscribe header, so email clients can offer one-click unsubscribe — both are expectations of modern bulk senders and help your deliverability.
  • Genuinely essential mail (receipts, password resets, account/security notices) is sent as transactional and isn’t governed by these marketing/product opt-outs — which is correct and expected. Keep truly critical messages on the transactional category so an opt-out can’t silence them.
  • Honouring opt-outs promptly (this plugin does it instantly) and never emailing a suppressed address are baseline requirements under GDPR and CAN-SPAM.

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