Data-backed guides built from Live Direct Marketing's daily census of email infrastructure across the world's top 1 million websites (Tranco top-1M, latest snapshot July 13, 2026). Every number links back to the underlying daily dataset.
The fastest-growing and declining providers, plus DMARC movement.
All 224 mailbox providers in the top 1M, ranked.
All 262 email service providers, ranked by SPF share.
All 139 SaaS platforms that send on behalf of domains.
How many top domains publish DMARC — and how few enforce it.
The internet beyond Google and Microsoft.
The most common MX hosts not yet classified.
The most common SPF includes not yet classified.
Deep-dive guides for every identified provider: mailbox providers (224), ESPs (262), SaaS senders (139).
Free-to-cite statistics, story angles and data downloads: press kit & media resources →