Best email signatures software

2 products compared on who they suit and what to pick instead. Facts checked November 4, 2026.

Our top picks

Mail Signatures Best for one person or a team of under 10 who want a free signature without creating an account Newoldstamp Best for small and midsize teams on Google Workspace or Microsoft 365 that want one managed signature plus banner campaigns

All email signatures software

Mail Signatures A browser-based email signature generator from CodeTwo for Outlook, Gmail, Apple Mail and Thunderbird users. Best for one person or a team of under 10 who want a free signature without creating an account Free plan
Newoldstamp Email signature management for Google Workspace, Microsoft 365 and Exchange teams, with banner campaigns. Best for small and midsize teams on Google Workspace or Microsoft 365 that want one managed signature plus banner campaigns Free plan