Atlas Ink vs CodeTwo: Which Microsoft 365 Signature Approach Fits Your Tenant?

Atlas Ink and CodeTwo both centralize Microsoft 365 email signatures, but they sit in very different places relative to your mail. Atlas Ink deploys into your own Azure subscription and pushes each user's Outlook compose signature without ever handling mail. CodeTwo's flagship server-side mode stamps signatures in transit through its own Azure cloud. This guide breaks down the architecture, compliance, and pricing differences so you can choose with confidence.