
Gmail’s 5,000-Emails-a-Day Rule Isn’t the Trap—DMARC *Alignment* Is (and it’s why your ‘authenticated’ email still disappears in 2026)
Hitting 5,000/day doesn’t “cap” you—it reclassifies you. The real inbox killer is DMARC alignment: SPF/DKIM can pass and you can still fail the identity Gmail enforces.


















