TrustRadius: an HG Insights company

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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Voltage by OpenText

    Score7.4 out of 10
    N/AOpenText Voltage data security solutions classify and protect data, assess risk, enhance privacy, monitor access, manage lifecycles, and support compliance—reducing exposure as AI-driven access and cryptographic threats evolve.N/A

    Proton Mail

    Score10 out of 10
    N/AProton Mail, from Proton Technologies, boasts being the world’s largest encrypted email provider. An email server, the vendor states their mission is to defend the right to privacy by making end-to-end encrypted email easy enough for anyone to use, and offers free email accounts without ads, and fully encrypted storage wtih servers hosted in Geneva. The ProtonMail high-tier Visionary plan also includes VPN, via the inclusion of Proton Technologies' ProtonVPN service.

    $4.99

    per month per user

    Pricing
    Voltage by OpenTextProton Mail
    Editions & Modules
    No answers on this topic
    Proton Free
    $0
    Up to 1 GB total storage & 150 messages per day
    Mail Plus
    $4.99
    per month 15 GB total Storage and 10 email addresses
    Proton Unlimited
    $12.99
    per month Access to all Proton apps and premium features
    Offerings
    Pricing Offerings
    Voltage by OpenTextProton Mail
    Free Trial
    NoNo
    Free/Freemium Version
    NoYes
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details——
    More Pricing Information
    Best Alternatives
    Voltage by OpenTextProton Mail
    Small Businesses
    No answers on this topic
    Paubox Email Suite
    Score9 out of 10
    Medium-sized Companies
    No answers on this topic
    OpenText Core Email Encryption
    Score9.6 out of 10
    Enterprises
    No answers on this topic
    DataMotion
    Score9.6 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Voltage by OpenTextProton Mail
    Likelihood to Recommend
    8.2
    (2 ratings)
    10.0
    (2 ratings)
    Usability
    -
    (0 ratings)
    10.0
    (1 ratings)
    User Testimonials
    Voltage by OpenTextProton Mail
    Likelihood to Recommend
    OpenText
    Larger corporations that require identity-based encryption would benefit from the product. Smaller corporations that want a more feature-rich product with a better user experience would not benefit as much
    Incentivized
    Read full review
    Proton
    Good if you like privacy and not having your data mined for advertizing and AI training.
    Read full review
    Pros
    OpenText
    • Encryption
    • Format Preserving Encryption
    • Scalable
    • Simple licensing models
    Incentivized
    Read full review
    Proton
    • Secure encrypted email hosting
    • Connection with Outlook works well
    • Works well on all platforms: web, Windows, MacOS, Android, iOS
    • Low monthly cost for email plus all the associated apps
    Read full review
    Cons
    OpenText
    • Its web-portal is pretty bare bones, unlike some competitors that are more feature-rich
    • Its documentation is also voluminous, making it hard to find something since it is spread across multiple manuals for particular features.
    • It doesn't support IMAP connections, unlike some of its competitors.
    Incentivized
    Read full review
    Proton
    • Exporting email (which I like to do for archiving) is awkward and slow.
    • Proton Mail Bridge (which allows access from other email readers like Outlook) sometimes has synchronization issues. Lately these just resolve themselves.
    Read full review
    Usability
    OpenText
    No answers on this topic
    Proton
    Mostly intuitive and easy to use. A bit harder if you stick with two passwords (one for the account and one for the encryption).
    Read full review
    Alternatives Considered
    OpenText
    FPE, which was one of the reasons for the technology and capability across large organisations made it a very easy decision. Reference customers throughout the world across FinTec's. The new cloud service models are really interesting. the amount of value in their R & D teams.
    Incentivized
    Read full review
    Proton
    Proton had a wider offering of products like vpn and drive. I ended up paying for a yearly subscription, I liked it so much.
    Incentivized
    Read full review
    Return on Investment
    OpenText
    • Decided not to use the product after looking at competitors.
    Incentivized
    Read full review
    Proton
    • Easy to link with my business domain and email.
    Read full review
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