> On 25 Oct 2021, at 02:33, John R Levine via mailop <mailop@mailop.org> wrote: > >>>> List-Unsubscribe: <https://www.example.com/unsub/{token}> >>>> List-Unsubscribe-Post: List-Unsubscribe=One-Click >>>> >>>> I don't know which fools to blame; The client Costco, or their ESP >>>> WhatCounts. Perhaps both. >>> >>> Definitely both. >> >> I don't work for or with WhatCounts, but I know who does, so I nudged them. > > Considering that every message sent without working unsubscribe is a CAN SPAM > violation, I'd think some tooling to check that the link at least connects to > a server would be in order.
I don’t think a List-Unsub header is sufficient to comply with CAN SPAM. Do you have better information from the FTC that suggests it does? laura -- Having an Email Crisis? 800 823-9674 Laura Atkins Word to the Wise la...@wordtothewise.com (650) 437-0741 Email Delivery Blog: http://wordtothewise.com/blog
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