SPF
SPF tells receiving mail servers which systems are allowed to send email for your domain.
Enter your domain and email. AMP IT will check public DNS records for the basics that help inboxes trust your mail and help reduce domain spoofing.
SPF tells receiving mail servers which systems are allowed to send email for your domain.
DKIM adds a digital signature so inboxes can verify that mail was not altered in transit.
DMARC tells inboxes what to do when email fails authentication and gives you visibility into abuse.