[ih] update about bogus list unsubcribe requests

Joe Touch touch at isi.edu
Fri Aug 26 11:05:48 PDT 2016

Hi, all,

The issue appears to be that one subscriber to this list was using a
commercial service that automates list removal. That service, Vade
Secure, appears to have a bug in their software. It was issuing
unsubscribes based on the "From:" address, rather than based on the
"Apparently-To:" address.

The email that triggers this has been removed from the list. We've also
alerted Vade Secure about the bug. I've tested this over the past day
and seen no notices.

A big thanks to John Levine, who helped debug the issue, and Adrien
Gendre at Vade Secure for helping us identify the email subscriber directly.

If the issue persists, please do let me know directly - I'll continue to
monitor unsubscribe requests to see if this pops up again.

Joe (list admin)

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