Posts tagged 'spf'

architecture

Mail Routing 2: Doing SPF Perfectly

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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Hosting

Mail Routing 1: Doing it Well and Not-So-Well

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.

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