How to set up SPF, DKIM, and DMARC for your sending domain
This guide explains how to configure SPF, DKIM, and DMARC records for a domain used to send email. It covers what each record does, how to generate the necessary keys, and the DNS changes required. The article walks through adding TXT entries, signing outgoing messages, and verifying the setup with online tools before deploying to ensure deliverability.