SPF is the technology that assures that mail only arrives from authentic
senders. One problem remains that slows down its introduction as a
hard filter, and that is email forwarding. This article nails the
integration of SPF with forwarding.
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by Rick van Rein · Fri 18 August 2017
Mail is severely hampered by spam, as we all know. Interestingly,
some spam prevention tactics are applied so softly that they work
against a reliable mail system. Here is a tale from the crypt.
by Rick van Rein · Wed 16 August 2017