One-Click Opt-Out allows an email recipient to unsubscribe from your email without having to type their email address.

The end-user experience will route the click from the email creative to your Confirmation page, bypassing the usual landing page where they would otherwise manually enter their email address.

To enable this functionality, you will direct your Affiliate to append a "?email=" query parameter to the end of the Opt-Out Link received from ACCESS. Bear in mind that additional configuring in your ESP may be required, to ensure the email can be passed through to that variable.

An example of what the link will look like in the browser:

https://www.opt-out-crlc.net/o-crlc-e81-8c0e6a3d10a8e1d84e8ea050de3a93f9?email=test@test.com

If your Opt-Out Link already contains a query parameter, please adjust the One-Click Opt-Out query parameter.

https://www.opt-out-crlc.net/o-crlc-e81-8c0e6a3d10a8e1d84e8ea050de3a93f9?example=1&email=test@test.com

*Please note - you have to be using an OPTIZMO generated Opt-Out Link for the One-Click Opt-Out to work.

Supporting a List-Unsubscribe Header

List-Unsubscribe is an email header that allows email recipients to unsubscribe directly from within their email client by clicking on the "Unsubscribe" link that will appear in the header of the email. Beginning in June 2024, email providers such as Gmail and Yahoo Mail will require Affiliates that send  over 5,000 emails to these platforms daily, to enable the List-Unsubscribe Header feature in all campaigns targeting recipients at these domains.  Affiliates who do not enable the feature may not have their emails delivered to inboxes.

Google has released documentation on additional requirements to support List-Unsubscribe headers.

Affiliates can implement List-Unsubscribe by including the following headers in their emails:

List-Unsubscribe: <{One-Click Opt-Out Link}>
List-Unsubscribe-Post: List-Unsubscribe=One-Click

For example, if your One-Click Opt-Out Link is:

https://www.opt-out-crlc.net/o-crlc-e81-8c0e6a3d10a8e1d84e8ea050de3a93f9?email=test@test.com

Then the email headers would be:

List-Unsubscribe: <https://www.opt-out-crlc.net/o-crlc-e81-8c0e6a3d10a8e1d84e8ea050de3a93f9?email=test@test.com>
List-Unsubscribe-Post: List-Unsubscribe=One-Click

By implementing List-Unsubscribe Headers through this process, Opt-Out requests will be collected and processed correctly through SUPPRESS in compliance with CAN-SPAM.