Custom domains, AI-powered inbox, advanced security, and team collaboration — all in one platform trusted by 7,000+ businesses worldwide.
From sending and receiving to deliverability, security, and compliance — GrapphenMail covers the full email lifecycle.
Rich text editor with Send & Archive, scheduling, templates, and one-click PDF & RFC 5322 EML thread downloads.
Intelligent compose & reply, multi-language email translation, 1-click thread summaries, and automatic priority scoring.
Track opens and link clicks with unique attribution across To, CC, and BCC recipients for transparent engagement analytics.
Launch encrypted HD video calls and screen sharing (Grapphen Rooms) directly from email threads with zero software installs.
Multi-tier pre-verification pipeline (RFC syntax, burner blacklists, DNS/MX lookup, cross-tenant cache) to protect domain reputation.
Automated IP warmup schedules, bounce mitigation, and inbox placement testing across major mailbox providers.
Connect unlimited domains with automatic DNS checks for SPF, DKIM, DMARC, BIMI, and seamless cryptographic key rotation.
TOTP 2FA, passkeys, SAML 2.0 SSO, DLP policies, retention rules, and immutable audit trails for strict compliance.
Comprehensive REST API, webhooks (CloudEvents 1.0), OAuth 2.0 authorization server, and SCIM 2.0 directory sync.
AI handles the heavy lifting — so your team can focus on relationships, not triage.
AI-powered — trained on email patterns
From authentication to encryption, GrapphenMail protects every message, mailbox, and account with enterprise security standards.
Integrate with Okta, Azure AD, and any SAML 2.0 IdP for seamless enterprise single sign-on.
Hardware security keys and biometric authentication — phishing-resistant by design.
Full email authentication stack with automated record generation and rotation every 48 hours.
Per-mailbox certificate management for end-to-end email signing and encryption.
Define keyword/regex patterns to block or quarantine outbound emails with sensitive data.
Every action timestamped with user ID, IP, and user agent. Export-ready for compliance.
Right-to-erasure workflows, data export, consent tracking, and retention policy automation.
AI-powered BEC and phishing risk scoring with admin dashboard and one-click reporting.
A complete developer platform with REST API, GraphQL, webhooks, OAuth 2.0, and SCIM 2.0 — fully documented and production-ready.
POST /api/v1/emails/send
Authorization: Bearer {api_key}
{
"from": "[email protected]",
"to": ["[email protected]"],
"subject": "Q4 Proposal",
"html": "<p>Hi {{first_name}},</p>",
"attachments": ["proposal.pdf"],
"schedule_at": "2026-01-15T09:00:00Z",
"track_opens": true,
"track_clicks": true
}Complete CRUD for emails, mailboxes, domains, contacts, calendar, billing, and more. Bearer token auth with rate limiting.
Real-time delivery of email.received, email.sent, email.bounced events with retry logic and delivery logs.
Full authorization code flow for third-party app integrations. Scoped tokens with user consent.
Automate user provisioning from Okta, Azure AD, and any SCIM 2.0 IdP.
Mirror of REST API as a fully typed GraphQL schema — query exactly what you need.
No hidden fees. Start free, scale when ready. Cancel anytime.
Get started with email. No credit card required.
Perfect for freelancers and small teams.
For growing businesses that need more power.
Custom plans for large organisations. Contact us.
Native apps for every platform — mobile and desktop.
Connect your domain, create mailboxes, and start sending with DKIM/SPF/DMARC — all from a single dashboard.
No credit card required · Free plan available · Cancel anytime