Practical guide

Unsubscribe, block or delete: separate past mail from future mail

Last materially reviewed 2026-09-26

Quick answerRemoving old messages and changing future delivery are separate decisions. Check whether the chosen control does one, both or neither.
What to know

Draw a line at today

On one side are messages already stored; on the other are messages that may arrive later. Write a desired outcome for each. You may want to retain an old receipt while stopping promotional newsletters, or remove an old backlog while continuing a useful subscription. Treating both sides as one action makes it easier to lose information or stop something you still want to receive.

What to know

Read the product control

Clean Email documents its Unsubscriber as a combination of available handling actions, including treatment of existing and future messages. Read the actual options rather than assuming a button means the sender has removed you from its mailing list. This publication does not make an unsubscribe request for you. A changed mailbox view, a local handling rule and the sender’s subscription record are different places where a result can occur.

What to know

Keep useful exceptions visible

Before acting on a sender, inspect whether it also delivers account notices or records you need. A blanket future-mail action can be the wrong solution to unwanted advertising from a mixed-purpose sender. Prefer a clearly identified subscription channel or manual review when the distinction is uncertain. Do not treat opening a suspicious message or following an unknown link as a necessary part of cleaning a backlog.

What to know

Verify the right outcome later

For the stored group, check the intended destination after the action. For future handling, use an ordinary later message rather than manufacturing a purchase or referral to create a test. Keep the rule visible in your private register and review unexpected results. Reversing a local block does not establish that a sender has resubscribed you; check the relevant service’s own preferences when you want a genuine subscription change.

Continue when useful

Next: When one sender delivers both useful and disposable email

A sender-wide action is a poor fit when the same address sends both promotions and records you need. Separate the message types or review that sender manually.

Open When one sender delivers both useful and disposable email →

Sources used for this page

These records support the facts and comparisons above. Merchant-controlled records are labelled so you can separate product claims from independent evidence.

  1. Clean Email: Unsubscriber — Merchant documentation · clean.email · Merchant-controlled · checked 2026-09-26