PDF Postman vs Virtru Email Encryption

PDF Postman is a Windows Outlook add-in that turns email messages and attachments into password-protected PDF files. It encrypts messages and attachments using AES-128 or AES-256. Recipients can open encrypted PDFs with a PDF viewer and password, without special software or registration. The add-in converts HTML, rich-text or text messages into formatted PDFs. Users can include encrypted attachments in a PDF, protect attachments without the message, or make PDFs from attached files. The download page lists Outlook Desktop 365, 2021, 2019, 2016 and 2013 on 32-bit or 64-bit Windows, with Windows 11 or 10,.NET Framework 4.8 or later, 4 GB RAM and 2 GB of disk space as requirements. After a 15-day trial, it reverts to a free mode limited to five encrypted PDF messages per month. Listed paid options range from $79.99 a month for one license to $3,999 a month for 100 licenses; licenses are perpetual, with maintenance and upgrades optionally renewable at 25%. The maker says email remains on the user's PC rather than being sent to the cloud.

Virtru Email Encryption is a paid email security product for protecting messages and attachments. It runs on web, Windows, macOS, iOS, and Android. Secure delivery uses links, recipient verification uses identity, messages can expire, and the listed attachment limit is 150. Outlook and Gmail integrations are available, along with administrator access controls.

Virtru was founded in 2012 and is headquartered in Washington, D.C. There is no free plan. Starter costs $119 a month, billed annually, for 5 users; Business costs $219 a month, billed annually, for 5 users; and Compliance costs $499 a month, billed annually, for 5 users. Enterprise is listed for organizations with over 50 employees, but its price is not provided.