How to configure your DNS to send emails with IndieHosters

Put these records in your DNS:

MX: mail.indie.host
TXT @ v=spf1 include:mail.indie.host
TXT _dmarc v=DMARC1; p=reject; rua=mailto:dmarc@indie.host
TXT mail._domainkey v=DKIM1; k=rsa; p=$key_from_your_hoster
CNAME autoconfig autoconfig.indie.host.