> On 26 Oct 2021, at 17:56, John Levine via mailop <mailop@mailop.org> wrote: > > It appears that Laura Atkins via mailop <la...@wordtothewise.com> said: >>> 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? > > Good question. I looked at the FTC's CAN SPAM rule and while it says a whole > lot about > what mailers have to do when people opt out, I don't see anything about the > form the > opt-out has to take. > > On the one hand, historically the opt-out has been in the body of the > message, but a whole > lot of mail programs now recognize List-Unsubscribe and give you an option in > the frame of > the message which is easier to recognize and probably more reliable than > looking for the > tiny type at the bottom of the message.
There are still a lot of MUAs that don’t recognize List-Unsub headers (outlook?), and some MBPs that only show the List-Unsub header under certain circumstances. For those reasons, and others, I don’t believe a List-Unsub header is sufficient to comply with CAN SPAM. And I certainly would never recommend relying on a header field to ensure compliance. 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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