Guides
The four records that decide where your mail lands.
Plain words, one record per page.
SPFSPF is a list of the servers allowed to send mail from your domain. Receivers check it on every message.DKIMDKIM signs each message with a private key. Receivers check the signature against a public key you publish in DNS.DMARCDMARC tells receivers what to do when a message fails SPF and DKIM for your domain, and where to send reports.MXMX records tell the world which servers receive email for your domain. Without them, nobody can reply to you.