Email and DNS
General info on different types of DNS records for email
DNS plays a vital role in regards to email, there are three types of DNS records that are essential to ensuring your emails reach the recipients without being flagged as spam:
| Type | Purpose |
|---|---|
| DMARC | Policy - what action should be taken if a email does not “pass” DKIM or SPF validation? |
| DKIM | Signing - each email is signed with a private key, the public key is put in DNS for the sender domain |
| SPF | Authorize email servers - what servers (source IPs) are allowed to send emails for this domain name |
Additional reading
External resources that explains how DMARC, DKIM and SPF works: