655 points 2 years ago
SPF: These are the servers I will send from. If it says it's from me, but comes from somewhere else, it's likely fake
DKIM: This is my signature, if it's not on the email, it probably didn't come from my server.
DMARC: If you get mail that doesn't match the above, here's what I want you to do with it.
655 points 2 years ago
SPF: These are the servers I will send from. If it says it's from me, but comes from somewhere else, it's likely fake
DKIM: This is my signature, if it's not on the email, it probably didn't come from my server.
DMARC: If you get mail that doesn't match the above, here's what I want you to do with it.