GrapphenMail for Enterprise
Bank-grade security, SAML SSO, dedicated IPs, and a 99.9% SLA — built for organisations that cannot afford email downtime.
SAML 2.0 SSO
Integrate with Okta, Azure AD, Google Workspace, or any SAML 2.0 IdP. Automated SCIM user provisioning included.
99.9% Uptime SLA
Contractual service level with financial credits for downtime. Dedicated infrastructure tier available.
Dedicated IP Pools
Send from IP addresses assigned exclusively to your organisation. Protect your sending reputation from shared neighbours.
S/MIME & Zero-Knowledge
Per-mailbox certificate management and optional zero-knowledge encryption — your keys never leave your control.
Unlimited Scale
Unlimited domains, unlimited mailboxes, 100 GB per mailbox. Quota adjustable on request for very large deployments.
Dedicated Success Manager
Assigned technical account manager, quarterly reviews, priority support SLA with 4-hour response time.
Compliance built in
- GDPR right-to-erasure and data export workflows.
- Retention policies with automatic deletion on schedule.
- Compliance archive and e-discovery tools.
- DLP policies to prevent data leaks.
- Immutable audit trail for every user action.
Custom deployment options
- Custom subdomain (mail.yourcompany.com).
- White-label branding on the webmail UI.
- Custom SLA terms and data residency options.
- Private onboarding with dedicated migration support.
- Stripe billing or custom invoicing.
Custom pricing for your scale
Tell us your mailbox count, compliance requirements, and integration needs. We'll put together a proposal within 24 hours.
Contact enterprise sales