On Sun, 11 Jan 2026, Niamh Holding wrote:

Saturday, January 10, 2026, 8:57:53 PM, you wrote:

JH> I'm less trusting of sendgrid, though, as I regularly get spam via them

Sendgrid are a noticeable spam source for sure.

It seems that Klaviyo may have the same problem. The Klaviyo relay and header rules both have S/O of .124-.125 (hits about 8x more spam than ham).


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 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
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