On Thu, Oct 10, 2024 at 12:48 PM Mark E. Mallett via mailop <mailop@mailop.org> wrote: > > On Wed, Oct 09, 2024 at 05:47:43PM -0500, Al Iverson via mailop wrote: > > I love the idea of the X tag with DKIM to set an expiration date after > > which the signature should no longer be considered valid. (As > > described here, and many other places: https://xnnd.com/dqio ). But > > who actually has implemented this, if anyone? Are you aware of any > > ISPs, ESPs, automation platforms, anyone, who has done so? I'm not > > finding much. > > > > If you've got any evidence of x= in the wild that you care to share, > > thank you kindly in advance! > > I don't log the presence of 'x' tags, except when it's used weirdly. > That sometimes shows 'x' that gives a date in the past. Probably not > helpful but it's at least on topic ;)
Indeed it is and thank you for sharing. It's giving me the idea that I should set up monitoring for this in my spamtrap feed, like I did for the l= tag. Cheers, Al -- Al Iverson // 312-725-0130 // Chicago http://www.spamresource.com // Deliverability http://www.aliverson.com // All about me https://xnnd.com/calendar // Book my calendar _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop