c.Email vs RMail

c.Email has no write-up on Specifiction yet; its figures are above.

RMail is a paid email service for protected message and attachment delivery. It supports delivery by attachment, password-based recipient verification, and message expiry. The attachment limit is 10. RMail runs on the web, Windows, and macOS, with Outlook and Gmail integrations and admin access controls. RMail, the maker, was founded in 2000. Four plans are listed, although prices are not provided: RMail Personal includes 25 units per month; Standard includes 200 units per month; and Business includes 500 units per month. Enterprise lists Email Eavesdropping Alerts, Custom Integrations, SSO, and a Cloud Email Security Gateway. The plan structure therefore separates monthly unit allowances from enterprise-oriented controls and integrations. Password verification and expiry address recipient access, while the Outlook and Gmail connections fit users working through those services. The listed pricing model is paid, and no plan price is stated.