Signing Services: My Credential and EPM Credential
Digitally sign and encrypt e-mail
Protect personal communications with a personal digital certificate. GeoTrust® My Credentialâ„¢ signs and encrypts e-mail, IM and other electronic communications. Recipients know that the communication came from your e-mail address and has not been altered during transmission.
Compatible with popular e-mail programs
My Credential integrates directly into Microsoft Outlook, Express, Lotus Notes, Mozilla Mail, Netscape Messenger and AOL Instant Messenger.
Features and Benefits
- Trusted digital signature
- Up to 256-bit encryption
- Fast issuance and easy installation
- Compatibile with popular e-mail and IM applications
- Unlimited use for one year
Easy and quick to install and renew online
Simply follow the installation instructions or your e-mail or IM application. Within minutes, you can start sending encrypted, signed communications.
Add an electronic postmark
GeoTrust My Credential digital certificates are fully compatible with the US Postal Service Electronic Postmark (EPM). Once installed, simply register your credential with the USPS EPM Service.


