Email Infrastructure How Email Delivery Actually Works Follow a single email from your "Send" button to the recipient's inbox — covering MTA handoff, SMTP conversation, DNS MX lookup, and TLS negotiation. Mar 25, 2026 · 2 min read · Beginner · Spf, Dkim, Smtp Read more →
DNS & Domain Setup Custom Tracking Domain for Click URLs Replace AcelleMail's default tracking domain with your own branded domain using a CNAME record and an SSL certificate. Nov 21, 2025 · 2 min read · Intermediate · Dkim, Tls, Nginx Read more →
