Side by side
CodeTwo Email Signatures On-prem vs Exclaimer
Both stand on email signature management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial AndroidiPhoneSelf-hosted+1
CodeTwo provides broad Exchange signature and mail-flow administration without cloud agents. Check the Exchange requirements, 25-license minimum and unsupported deployment methods before adopting it.
Visit CodeTwo Email Signatures On-prem Free trial AndroidiPhoneWeb+1
Exclaimer centralizes signature management, employee detail updates, and disclaimers across supported email systems. Compare the plan limits and annual per-user starting price with the templates and integrations your organization needs.
Visit ExclaimerThe facts
| CodeTwo Email Signatures On-prem | Exclaimer | |
|---|---|---|
| Free plan | A free trial | A free trial |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Self-hosted, Windows | Android, iPhone, Web, Windows |
| Lowest paid plan | Free or on request | Starter: $0.90 a month |
| Plans published | 1 | 4 |
| Maker | Not published | Not published |
| Website | codetwo.com | exclaimer.com |
| On email signature management software | #15 of 41 | #19 of 41 |
CodeTwo Email Signatures On-prem: what it does well
- Fully on-premises deployment
- Central administration with multi-server replication
- Attachment and message-routing controls
- Sensitive-content scanning and masking
- 24/7 email and phone support
What to know first
- No free plan
- At least 25 licenses for yearly subscription
- PGP and OpenPGP are unsupported
- Manual installation required on each machine
Exclaimer: what it does well
- Works natively with Microsoft 365, Google Workspace, and Exchange.
- Employee details can sync from directories and HRIS tools.
- Offers server-side, client-side, and hybrid deployment.
- Customers select a data region.
What to know first
- No free plan is listed.
- Starter includes one signature template.
- Enterprise pricing is custom.
Alternatives to CodeTwo Email Signatures On-prem Alternatives to Exclaimer The whole list

