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A comment on Letsencrypt will kill SMTP server auth following Chrome CA policy change. Parent comment

Re:Letsencrypt will kill SMTP server auth following Chrome C... by scandox on Friday May 16, 2025 @10:30AM (#44005958)
Enterprises. Porsche.com corporate email for example won't deliver without an OV.

So once you're in the business of providing any kind of general email service you eventually have to deal with it.

Edit: Porsche corporate

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Re:Letsencrypt will kill SMTP server auth following Chrome C... by jamespo on Friday May 16, 2025 @10:42AM (#44006094)
I wonder how many side gmail accounts their employees have to use
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Re:Letsencrypt will kill SMTP server auth following Chrome C... by TheNewsIsHere on Friday May 16, 2025 @05:33PM (#44009968)
Volkswagen has similar policies regarding partners and vendors. If you want into that ecosystem they require that you setup specific mail routing policies and mutually authenticated CAs to exchange email.
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