[TYPES/announce] [meta] URL rewriting notice

[Gabriel Scherer]

Dear types-announce list,

UPenn, who has been generously hosting this mailing-list (and types-list)
since 2006, has just setup an email-processing system that rewrites URLs
included in all email received by the university, including their
mailing-list services, "protecting" them by turning them into a reference
to a third-party service (ProofPoint / urldefense) that should redirect to
the intended URL after some unknown security-inspired procedures have been
applied -- or block access because someone's filter is wrong.

We are in touch with the administrators to try to disable this
transformation, but in the meantime I decided to keep forwarding the emails
as usual to avoid disrupting the flow of announcements. Apologies in
advance for the strange, modified URLs, and the inconvenience it may cause
(mailing-list email being marked as spam due to failed DKIM verification,
etc.).

Best
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