Am 02.01.2026 um 13:37:39 Uhr schrieb John Levine via mailop: > They said several yeaars ago that that all mail they accept over IPv6 > has to be authenticated.
They still do that and enforce it. MS also does it. Does Google still accept unauthenticated (no SPF nor DKIM) mail via IPv4? I have doubt. -- Gruß Marco Send unsolicited bulk mail to [email protected]
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