--- title: Cisco Registered Envelope Service Reviews meta\_title: 'Cisco Registered Envelope Service Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter reviews by the users' company size, role or industry to find out how Cisco Registered Envelope Service works for a business like yours. aggregate\_rating: rating\_value: 4.5 review\_count: 1 scale: '5' date\_modified: '2026-07-12' parent\_category: name: Email Security url: https://www.g2.com/categories/email-security --- # Cisco Registered Envelope Service Reviews & Product Details The Cisco Registered Envelope Service email encryption solution provides enhanced security and reliable controls for traditional email tools. It is fully integrated into most common email technologies and into a user's daily email routine. * * * Seller [Cisco](https://www.g2.com/sellers/cisco) Discussions [Cisco Registered Envelope Service Community](https://www.g2.com/products/cisco-registered-envelope-service/discuss) Show More ## Top-Rated Alternatives [ ![Paubox](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Paubox") Paubox 4.9/5(620) ](https://www.g2.com/products/paubox/reviews) [ ![Proofpoint Core Email Protection](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Proofpoint Core Email Protection") Proofpoint Core Email Protection 4.6/5(601) ](https://www.g2.com/products/proofpoint-core-email-protection/reviews) [ ![Check Point Email Security](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Check Point Email Security") Check Point Email Security 4.6/5(534) ](https://www.g2.com/products/check-point-email-security/reviews) [ View All Alternatives ](https://www.g2.com/products/cisco-registered-envelope-service/competitors/alternatives) ![Bhupendra S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Bhupendra S.") BS Bhupendra S. Project Team Lead Small-Business (50 or fewer emp.) 8/4/2022 "Cisco registered envelop service is been fabulous to us while using." 4.5/5 What do you like best about Cisco Registered Envelope Service? I like most the email communication security check and direct for the approval if any such spam comes to it. Review collected by and hosted on G2.com. What do you dislike about Cisco Registered Envelope Service? Sometime we blocked whole spam email but some notification which we release or permit to land in inbox it take times so email delivery they should think on Review collected by and hosted on G2.com. What problems is Cisco Registered Envelope Service solving and how is that benefiting you? For us our client data doesn't leak and it helps to identify if spam Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ### There are not enough reviews of Cisco Registered Envelope Service for G2 to provide buying insight. Below are some alternatives with more reviews: [ 1 ![Paubox Logo](https://images.g2crowd.com/uploads/product/hd_favicon/57b768928a3f3f68b3afeb8a9c97e31b/paubox.svg "Paubox Logo") Paubox 4.9 (618) Paubox is an easy way to send and receive HIPAA compliant email. ](https://www.g2.com/products/paubox/reviews "Paubox")[ 2 ![Proofpoint Core Email Protection Logo](https://images.g2crowd.com/uploads/product/hd_favicon/8adf2eedd5616a9f5e200c4520f6d30d/proofpoint-core-email-protection.svg "Proofpoint Core Email Protection Logo") Proofpoint Core Email Protection 4.6 (601) Proofpoint Core Email Protection stops malware and non-malware threats such as impostor email. ](https://www.g2.com/products/proofpoint-core-email-protection/reviews "Proofpoint Core Email Protection")[ 3 ![Check Point Email Security Logo](https://images.g2crowd.com/uploads/product/hd_favicon/64ff8da1b6e6ffabf4336ae2510e8e3e/check-point-email-security.svg "Check Point Email Security Logo") Check Point Email Security 4.6 (534) Check Point Harmony Email & Office, protects enterprise data by preventing targeted attacks on SaaS applications and cloud-based email. ](https://www.g2.com/products/check-point-email-security/reviews "Check Point Email Security")[ 4 ![Proton Mail For Business Logo](https://images.g2crowd.com/uploads/product/hd_favicon/7298c834a67f0059b29c9cdb8de9166a/proton-mail-for-business.svg "Proton Mail For Business Logo") Proton Mail For Business 4.6 (494) End-to-End encrypted email service ](https://www.g2.com/products/proton-mail-for-business/reviews "Proton Mail For Business")[ 5 ![Virtru Email Encryption Logo](https://images.g2crowd.com/uploads/product/hd_favicon/9566ba6338388ab7e15b634d2d6fc7ba/virtru-email-encryption.svg "Virtru Email Encryption Logo") Virtru Email Encryption 4.4 (417) Virtru puts you in charge of how your digital information is shared. Combining control, convenience, and simplicity, Virtru makes it easy to keep your private communications private. ](https://www.g2.com/products/virtru-email-encryption/reviews "Virtru Email Encryption")[ 6 ![Spike Logo](https://images.g2crowd.com/uploads/product/hd_favicon/ad8d6b14c633bf13965f58ef40a77f0f/spike.svg "Spike Logo") Spike 4.6 (262) Spike focuses on the features that save you time. Unified inbox, team collaboration, real-time awareness & more in a single productivity app. ](https://www.g2.com/products/spike/reviews "Spike")[ 7 ![Tresorit Logo](https://images.g2crowd.com/uploads/product/hd_favicon/1528738557/tresorit.svg "Tresorit Logo") Tresorit 4.5 (261) Tresorit provides an end-to-end encrypted productivity solution for ultra-secure collaboration including managing, storing, syncing, and transferring files. ](https://www.g2.com/products/tresorit/reviews "Tresorit")[ 8 ![Kiteworks Logo](https://images.g2crowd.com/uploads/product/hd_favicon/df4606422debde648f5077ab6a908afe/kiteworks.jpeg "Kiteworks Logo") Kiteworks 4.4 (121) The Kiteworks platform prevents data breaches and compliance violations from 3rd party communications. With Kiteworks, CIOs and CISOs gain complete visibility, compliance and control over IP, PII, PHI, and other sensitive content across all 3rd party communication channels, including email, file sharing, mobile, enterprise apps, web portals, SFTP, and MFT. When users click the Kiteworks button, they know it’s the safe, secure way to share sensitive information with the outside world. With on-premise, private cloud, hybrid and FedRAMP deployment options, the Kiteworks platform provides the security and governance CISOs need to protect their organizations, mitigate risk, and adhere to rigorous compliance regulations such as NIST 800-171, HIPAA, SOX, GDPR, GLBA, FISMA, and others. ](https://www.g2.com/products/kiteworks/reviews "Kiteworks")[ 9 ![NeoCertified Secure Email Logo](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_2785951726107ddb5bc442f993befc94/neocertified-secure-email.png "NeoCertified Secure Email Logo") NeoCertified Secure Email 4.8 (101) NeoCertified is a solution that provides secure email encryption for businesses and organizations across all industries, including healthcare, finance, legal, non-profit and education. ](https://www.g2.com/products/neocertified-secure-email/reviews "NeoCertified Secure Email")[ 10 ![LuxSci Logo](https://images.g2crowd.com/uploads/product/hd_favicon/da97658dee13743ac5c07cd50349e795/luxsci.svg "LuxSci Logo") LuxSci 4.7 (83) LuxSci provides HIPAA-compliant email, secure email & web services. ](https://www.g2.com/products/luxsci/reviews "LuxSci") [Show More](#) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. [ View More Pricing Information ](https://www.g2.com/products/cisco-registered-envelope-service/pricing) ## Work at Cisco? Claim this profile to respond to reviews, update product info, and reach in-market buyers. 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