gpg4o vs OpenText Core Email Message Privacy
gpg4o
bayoosoft.comOpenText Core Email Message Privacy
cybersecurity.opentext.comSide by side
| Figure | gpg4o | OpenText Core Email Message Privacy |
|---|---|---|
| Price from | €99.95/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| Plans published | 5 | 0 |
| Spec score · Email Encryption Software | 8.7 (#5) | 7.2 (#26) |
| Spec score · File encryption tools | 8.4 (#11) | 7.1 (#24) |
| Encryption | It uses asymmetric encryption with private and public keys and follows the OpenPGP standard. | Messages and files are uploaded to a secure portal and encrypted at rest with AES 256. |
| Headquarters | Darmstadt, Germany | Waterloo, Ontario, Canada |
| Message expiry | No | Yes |
| Outlook integration | The add-in provides end-to-end encryption directly through the Outlook interface. | Yes |
| 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. | OpenText provides product support resources for Core Email Message Privacy through its cybersecurity support portal. |
Plans
gpg4o
- gpg4o€99.95 a month
- gpg4o FreeFree
- gpg4o – Extension product maintenance 1 year€5,195 a year
- gpg4o – Extension product maintenance 3 years€13,995 a year
- gpg4o€9,995, paid once
OpenText Core Email Message Privacy
No plans published.
In their own words
gpg4o
gpg4o is a Microsoft Outlook add-in for encrypting, decrypting, signing, and checking messages and attachments. It uses public and private keys under the OpenPGP standard, and supports encrypted HTML email, PGP/MIME, and PGP/Inline. Its key management can synchronize keys, use local or public key servers, and check the Web of Trust; central management requires Enterprise KeyServer. The product also supports terminal servers, Microsoft Policy Manager, automatic key generation, and working groups. When encryption is enabled, it protects message text and attachments, but not the subject line or recipient list. The current feature page lists Outlook 2024 or 365 Classic on Windows 11 and marks Mac OS unsupported. A limited free version is available without a time limit, and a 180-day trial is noted. The listed gpg4o plan costs €99.95 a month. After maintenance expires, users can still send and read encrypted or signed email, but they do not receive further updates.
OpenText Core Email Message Privacy
OpenText Core Email Message Privacy secures sensitive messages and files while allowing senders to control access throughout a message’s lifecycle. Through Outlook or a secure portal, users can send attachments up to 100 GB per message. Digital-rights controls can restrict viewing, replies, forwarding, and expiration, while senders can later adjust or revoke rights. Recipients open secure messages through browser or mobile web links without installing software or a native app. Delivery, opens, downloads, and signatures are tracked in real time for auditability. Messages and files uploaded to the portal are encrypted at rest with AES 256. The service supports legally binding electronic signatures, Outlook and Single Sign-On integrations, and corporate branding. It is delivered as SaaS without additional infrastructure and works with hosted, on-premises, and hybrid email systems. OpenText describes it for managed service providers protecting small and medium-sized businesses. Pricing is on request; there is no free plan, and only professional users consume licenses while guest recipients are free.