Compliant Microsoft 365 email delivery for B2B teams

Send authenticated email from
your Microsoft 365 domains — the right way.

InboxPilot is a multi-tenant sending platform: SPF/DKIM/DMARC automation, consent-based lists, mandatory unsubscribe, warm-up scheduling, bounce & complaint handling and a deliverability dashboard. Built on real standards — opt-in only, no purchased lists.

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Domain authentication

Generate SPF, DKIM (2048-bit) and DMARC records, then verify them with live DNS lookups before you send.

Consent & suppression

Every contact carries opt-in status, source and timestamp. Suppression is automatic and enforced on every send.

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Graph API & SMTP

Connect Microsoft Graph (OAuth2) or Office 365 SMTP (STARTTLS 587). Secrets are stored server-side and masked.

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Warm-up & throttling

Gradually ramp new domains with a daily-cap schedule and per-domain rate limiting in the sending queue.

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One-click unsubscribe

RFC 8058 List-Unsubscribe headers, a working unsubscribe page and automatic suppression — required on every message.

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Deliverability dashboard

Delivery, bounce, complaint and unsubscribe rates, auth status, warm-up progress and a spam-score checklist.

Built for compliance

InboxPilot is designed as a legitimate Email Service Provider. It refuses to send to contacts without recorded consent, blocks templates without an unsubscribe link and physical address, and auto-suppresses hard bounces and spam complaints. Read our Acceptable Use Policy.

© InboxPilot — a compliant ESP demo.