4 ms·
The RFC requires SMTP servers to first verify that the destination email indeed wants to receive those reports. They’re opt in through a DNS record. https://da
by pul 3y ago
The RFC requires SMTP servers to first verify that the destination email indeed wants to receive those reports. They’re opt in through a DNS record.
https://datatracker.ietf.org/doc/html/rfc7489#section-7.1 https://datatracker.ietf.org/doc/html/rfc7489#section-7.1