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A comment on DMARC required by Gmail and Yahoo from Feb 2024. Parent comment

Re:DMARC required by Gmail and Yahoo from Feb 2024 by eli on Wednesday January 10, 2024 @10:18AM (#38939801)
Yes, that's the List-Unsubscribe header and it doesn't require a POST request.

Email deliverability has always meant staying on top of changing requirements.

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Re:DMARC required by Gmail and Yahoo from Feb 2024 by boplicity on Wednesday January 10, 2024 @10:47AM (#38939877)
No -- this actually expands on the List-Unsubscribe header, and adds a POST request header for one-click unsubscribe.

From the RFC:

> This document addresses this part of the problem, with an HTTPS POST action

Look at the examples in the RFC for a clear description.

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Re:DMARC required by Gmail and Yahoo from Feb 2024 by eli on Wednesday January 10, 2024 @11:10AM (#38940125)
Ah, my mistake. The MAILTO: style unsubscribes were a bit of a pain to deal with anyway.
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