On Tue, 2020-08-18 at 14:34 -0700, Carl Byington via mailop wrote: > > dhl is asking folks to reject that mail, but sendgrid tries to send it > anyway. >
Sendgrid doesn't seem to do any From: address authentication. They're sending email pretending to be from all kinds of random domains. I know they probably have customers that depend on being able to forge addresses, but come on guys, it's 2020, you can't do that anymore.
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