Do AI-generated emails hurt deliverability?

Mailbox providers judge authentication, engagement, and complaints more than whether copy was AI-assisted. Relevance and permission still dominate.

Which ESPs make authentication easy?

Brew, Resend, SendGrid, Klaviyo, and most modern ESPs provide DNS records and verification wizards. See each tool profile for specifics.

SPF, DKIM, DMARC und Bulk-Regeln.

Daniel Okafor · Deliverability engineer

Aktualisiert August 8, 2026 · 10 min read

Zustellbarkeit ist die harte Grenze. Fehlende Authentifizierung schadet schneller als schlechter Copy.

SPF, DKIM und DMARC veröffentlichen. Gmail und Yahoo verschärfen Bulk-Anforderungen.

Do AI-generated emails hurt deliverability?: Mailbox providers judge authentication, engagement, and complaints more than whether copy was AI-assisted. Relevance and permission still dominate.
Which ESPs make authentication easy?: Brew, Resend, SendGrid, Klaviyo, and most modern ESPs provide DNS records and verification wizards. See each tool profile for specifics.