Email Authentication
SPF, DKIM, and DMARC: How Email Authentication Actually Works
SPF, DKIM, and DMARC each solve a different part of one problem: proving an email really came from your domain. Learn what each record checks, how they interact, and how to roll them out without breaking delivery.
Google Postmaster Tools: Monitor Your Email Reputation
Google Postmaster Tools gives you direct visibility into how Gmail sees your sending domain. Learn how to set it up, read each dashboard, and keep your deliverability on track.