gpg4o
7.0#6 in email encryption softwareFrom €5,195 a yearFree planWindows
Visit| Fact | gpg4o | Lockbin |
|---|---|---|
| Admin access controls | Yes | Yes |
| Encryption | It uses asymmetric encryption with private and public keys and follows the OpenPGP standard. | Messages are protected in transit with TLS and at rest with FIPS 140-2 verified AES-256 encryption. |
| Free plan | Yes | Yes |
| Gmail integration | No | No |
| Key management | Key Server Management supports automatic synchronization, local and public key servers, and Web of Trust checking; central management requires Enterprise KeyServer. | Decryption keys are not stored on Lockbin servers in plaintext, and the sender and recipient hold the decryption keys. |
| Message expiry | No | Yes |
| Outlook integration | The add-in provides end-to-end encryption directly through the Outlook interface. | No |
| Product | gpg4o is a Microsoft Outlook add-in for encrypting, decrypting, signing and checking messages and attachments. | Lockbin is a web application for sending private email messages and files. |
| Recipient verification | identity | password |
| Secure delivery | attachment | link |
| Support | Technical support is available through the contact process or the gpg4o Help menu in Outlook, with a log file sent automatically. | Current users can email [email protected] for immediate assistance, and professional-tier users can reach support by phone through their account. |
It may suit Windows users who use Outlook for confidential professional communication or private sharing of sensitive information. Organizations needing central key management should note that it requires Enterprise KeyServer.
Lockbin may suit medical, dental, CPA, finance, and government organizations handling sensitive information. It is also an option for users who want browser-based message and file delivery alongside Google Workspace or Microsoft 365.