How does AMP affect deliverability?

AMP has strict authentication requirements that indirectly benefit deliverability. Gmail requires senders to have valid SPF, DKIM, and DMARC (with at least p=quarantine) before they can send AMP emails. This authentication baseline already signals legitimate sending, which helps reputation. Additionally, Gmail requires sender registration and approval before AMP content renders, creating an explicit trust relationship.

If AMP validation fails-invalid markup, authentication issues, or unregistered sender. The uemail doesn't bounce. Instead, the recipient sees your HTML fallback as if AMP wasn't present. This graceful degradation means AMP technical issues don't create deliverability catastrophes, just missed opportunities for interactivity. Your email still arrives; it's just less dynamic.

From an engagement perspective, well-executed AMP can boost metrics that influence future deliverability. Higher interaction rates (clicks, form completions, time in email) send positive signals to mailbox providers about your sending quality. However, poorly implemented AMP that breaks or frustrates users could have the opposite effect. AMP doesn't directly affect whether your email reaches the inbox, but it raises the authentication floor and can amplify engagement signals-both beneficial for long-term deliverability.