CodeTwo Email Signatures On-prem vs. Letsignit

CodeTwo Email Signatures On-prem is the only email signature management tool that works with Exchange Server Subscription Edition and is installed locally. Based on technology developed and refined since 2007, it’s the new incarnation of CodeTwo Exchange Rules Pro and CodeTwo Email Signatures 365: award-winning, Microsoft-certified email signature and email flow management tools. This easy-to-use Exchange toolbox helps you create complex rules to centrally manage email flow and to unify the look of your corporate correspondence – all without touching end users' computers and mobile devices.

Letsignit is a leading email signature management and marketing platform that helps organizations transform employee emails into powerful, branded communication touchpoints. Designed for both marketing and IT teams, Letsignit centralizes and automates email signature deployment to ensure every message reflects a unified, on-brand identity. Trusted by over 2,000,000 users worldwide and maintaining a 98% customer satisfaction rate, Letsignit empowers businesses of all sizes to optimize brand consistency, boost engagement, and turn everyday emails into measurable marketing opportunities.