THThanh Ho Vaninfreedomainmail.hashnode.dev·1d ago · 3 min readHow to Set Up SPF, DKIM and DMARC for a Custom DomainIf you send email from a custom domain, publishing an MX record is only the beginning. SPF, DKIM, and DMARC work together to help receiving servers verify who sent a message and what to do when authen00