StampFlow

Get started in 60 seconds

Create your StampFlow workspace with Microsoft 365.

Free 14-day trial. 1,000 stamps included.
No credit card required. Cancel anytime.
Per-tenant encryption: your data is unreadable without your key.

Auto-discovers your tenant. Connectors set up in 30 seconds.

Self-service signup uses Microsoft 365 SSO so we can wire your outbound connectors automatically. Running Exchange on-prem or another mail platform? Contact us to get set up.

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Powered byStampFlowa Welkra product

Every message,
signed the same way.

One signature policy for the whole organisation, applied in transit and verifiable by the recipient.

Microsoft 365 and ExchangeEncrypted at rest, per tenantSelf-hosted or cloud

Designed in the StampFlow editor

Get started in 60 seconds

Every message,signed the same way.

Every message,
signed the same way.