Apple Mail · Jamf Pro · self-hosted

Apple Mail signatures for your whole fleet — deployed via Jamf.

Manage email signatures for multiple organizations and roll them out to every Mac with a single Jamf policy. No third-party cloud — your data stays on your server.

Get the open source → Request Cloud access

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Multi-organization

Manage signatures per org — logo, address, templates, disclaimer.

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Flexible templates

Classic, minimal, logo, compact, accent — or your own custom HTML.

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One-click Jamf deploy

Self-contained bash script + PPPC profile. Update data, clients re-fetch — no re-upload.

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Your data, your server

Self-hosted, idempotent, API-key protected. macOS 12–15.

Two ways to run it

Host it yourself for free, or let us run it for you.

Open Source

Free · MIT license · self-hosted

Full app, Docker-packaged
Run on your own server
Community support
You manage updates & backups

View on GitHub

MailSign Cloud

Managed by o8s · multi-tenant · hosted in Switzerland

We host, update & back it up
Isolated tenant per customer
Onboarding & support included
Ready in minutes — nothing to install

Request access