CodeTwo Email Signatures On-prem vs. Rocketseed

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.

Rocketseed is enterprise-grade email signature management software that helps mid-to-large organizations meet IT operational and compliance challenges, maintain company-wide signature brand consistency, and turn everyday emails into a measurable marketing channel. Trusted by thousands of users sending billions of emails globally, Rocketseed is compatible with all email clients - including Microsoft 365, Google Workspace and Exchange - with signatures displaying perfectly on all devices.