Email is an open system, right? Anyone can send a message to anyone… unless they are on Gmail! School Interviews uses two email servers t…
Email is an open system, right? Anyone can send a message to anyone… unless they are on Gmail! School Interviews uses two email servers t…
I always just assumed spammers could make a DKIM private key and access a DNS server as easily as any of the rest of us.
Spammers were the first to adopt SPF, DKIM, and DMARC for their operations when they were first introduced. Monitoring a couple of “online mass marketing” forums was where a lot of us learned how to set it up ourselves, because spammers’ howtos were better than the documentation for any of those measures.