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 ;) -mm- _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
