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とバルク送信者ルール。

Daniel Okafor · Deliverability engineer

更新 August 8, 2026 · 10 min read

到達率はロードマップを待ちません。認証ミスや暴走自動化は評判をすぐに傷つけます。

SPF、DKIM、DMARCを公開してください。GmailとYahooはバルク送信者要件を強化しています。

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.