DNS & Domain Setup SPF Record Deep Dive for AcelleMail SPF syntax in depth — mechanisms, qualifiers, the 10-DNS-lookup limit, includes vs IPs, the flatten-vs-extend trade-off, and AcelleMail-specific recipes. May 9, 2026 · 7 min read · Intermediate · Spf Read more →
DNS & Domain Setup Return-Path and Envelope Sender Explained The Return-Path header controls where bounce notifications go. Learn how it differs from the From address and why alignment matters for DMARC. Apr 23, 2026 · 2 min read · Intermediate · Spf, Dmarc, Smtp Read more →
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 Complete DNS Setup for Email Sending All the DNS records you need to configure for proper email delivery: SPF, DKIM, DMARC, MX, and more. Mar 24, 2026 · 2 min read · Intermediate · Spf, Dkim, Dmarc Read more →
DNS & Domain Setup DNS Propagation Explained DNS changes don't take effect immediately. Understand TTL, caching, and how to verify propagation has completed worldwide. Mar 21, 2026 · 2 min read · Beginner · Spf, Dkim, Dmarc Read more →
DNS & Domain Setup BIMI Setup: Show Your Logo in Gmail BIMI displays your brand logo next to emails in Gmail and Apple Mail. Learn the SVG requirements, VMC certificate, and the DNS TXT record format. Mar 12, 2026 · 2 min read · Advanced · Spf, Dkim, Dmarc Read more →
DNS & Domain Setup Complete DNS Setup for Email Sending: SPF, DKIM, DMARC A start-to-finish DNS setup walkthrough — register your sending domain, generate SPF + DKIM in AcelleMail, publish DMARC at p=none, verify, and graduate to enforcement. Jan 22, 2026 · 6 min read · Beginner · Spf, Dkim, Dmarc Read more →