> On 15 Oct 2024, at 22:04, Brad Beyenhof via mailop <mailop@mailop.org> wrote:
>
> We’ve thought about moving to SPF macros for some time, but one thing that
> gives me pause is that I don’t know if we can trust the validation mechanism
> for every single possible recipient.
>
> Can someone elaborate on challenges/difficulties in macro handling?
The folks to talk with are Sparkpost / Bird - almost all their SPF records are
macros using the %{i} mechanism. They send ::handwaving:: a billion or so
messages a day so I expect that If SPF macros were problematic, they would have
seen it and would be able to answer your questions.
laura
--
The Delivery Expert
Laura Atkins
Word to the Wise
la...@wordtothewise.com
Delivery hints and commentary: http://wordtothewise.com/blog
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