Posteo AlternativesTop WebMail Providers & Email Clients like Posteo

Posteo is described as 'Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used' and is a popular webmail provider in the office & productivity category. There are more than 50 alternatives to Posteo, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Android Tablet apps. The best Posteo alternative is Proton Mail, which is both free and Open Source. Other great sites and apps similar to Posteo are Gmail, Tuta Mail, Disroot and mailbox.

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Posteo alternatives page was last updated

Alternatives list

  1. Mailfence icon
    Sponsored

    This secure email platform offers end-to-end encryption, a comprehensive suite with Calendar and Documents. Mailfence is inter-operable with OpenPGP services, features digital signatures, provides keystores, and available as a PWA for mobile independence while ensuring no ads, trackers, or surveillance.

    71 Mailfence alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
  2. Proton Mail icon
     1010 likes
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    Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.

    98 Proton Mail alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
     
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    2
    17
    Comments about Proton Mail as an Alternative to Posteo
    Guest
    Positive
    6

    Protonmail, like posteo, is security based email.

    Review by a new / low-activity user.
    Editors Review
    Positive
    0

    Posteo is amazing and the best private email service with great features, but you have to pay for it. ProtonMail offers free encrypted webmail.

    Posteo Icon
    Proton Mail icon
    • Almost everyone thinks Proton Mail is a great Posteo alternative.

    • Proton Mail is the most popular Web-based, Windows, Android & Mac alternative to Posteo.

    • Proton Mail is the most popular Open Source & free alternative to Posteo.

    • Proton Mail is Freemium and Open SourcePosteo is Paid and Open Source
  3. Gmail icon
     3204 likes
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    Gmail offers robust spam blocking, undo send, Google Chat for collaboration, Spaces for organizing projects, Google Meet video calls, Smart Reply, threaded conversations, and swift notifications, seamlessly integrating with Google Workspace for a comprehensive email experience.

    83 Gmail alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
    • Android Wear
    • Android TV
    • Software as a Service (SaaS)
     
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    6
    Comments about Gmail as an Alternative to Posteo
    Top Negative Comment
    Guest
    20

    Not private and secure, Google spies on you.

    Review by a new / low-activity user.
    Editors Review
    Negative
    1

    Posteo offers encrypted email. Gmail does not. This is a fundamental difference in services. In one (posteo), your email is private. In the order (gmail) your email is scanned, saved, then crunched by artificial intelligence to be used to manipulate the end user.

    Guest
    Negative
    3

    no e2e, no privacy, just some security. but its free yeee

    Review by a new / low-activity user.
    Show more comments
    3 of 6 comments
    Posteo Icon
    Gmail icon
    • This alternative is disputed. Gmail is a legitimate Posteo alternative, but it might have issues that some users think are important.

    • Gmail is the most popular SaaS & Android Tablet alternative to Posteo.

    • Gmail is Free and ProprietaryPosteo is Paid and Open Source
  4. Tuta Mail icon
     515 likes
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    Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.

    100 Tuta Mail alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Flathub
    • F-Droid
     
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    13
  5. Disroot icon
     113 likes
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    Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.

    44 Disroot alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • F-Droid
     
  6. mailbox icon
     74 likes
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    E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).

    82 mailbox alternatives

    Cost / License

    • Subscription
    • Proprietary

    Platforms

    • Online
     
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    1
    8
    Comments about mailbox as an Alternative to Posteo
    Guest
    Negative
    -3

    mailbox.org is much less focused on privacy than posteo is. proton would be a better alternative even if theres no IMAP.

    Review by a new / low-activity user.
    Posteo Icon
    mailbox icon
    • Most users think mailbox is a great Posteo alternative.

    • mailbox is the most popular commercial alternative to Posteo.

    • mailbox is Paid and ProprietaryPosteo is Paid and Open Source
  7. Apple Mail icon
     244 likes
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    Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.

    105 Apple Mail alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Online
    • iPhone
    • iPad
    • Apple Watch
     
  8. Outlook.com icon
     397 likes
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    Outlook.com, part of Office Online (not to be confused with Microsoft Outlook ), is a webmail service from Microsoft, successor of Hotmail.

    74 Outlook.com alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    • Chrome OS
     
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    2
    Comments about Outlook.com as an Alternative to Posteo
    Guest
    Negative
    2

    Outlook.com is run of the mill US based e-mail provider, it does not provide secure e-mail services like Posteo.

    Review by a new / low-activity user.
    Editors Review
    Negative
    0

    Posteo offers encrypted email. Outlook.com does not. This is a fundamental difference in services. In one (posteo), your email is private. In the order (outlook) your email is scanned, saved, then crunched by artificial intelligence to be used to manipulate you.

    Posteo Icon
    Outlook.com icon
    • This alternative is disputed. Outlook.com is a legitimate Posteo alternative, but it might have issues that some users think are important.

    • Outlook.com is Freemium and ProprietaryPosteo is Paid and Open Source
  9. Zoho Mail icon
     121 likes
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    Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

    107 Zoho Mail alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
     
  10. Fastmail icon
     75 likes
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    Fastmail offers secure email hosting with comprehensive webmail services, including IMAP, POP, and SMTP protocols. It supports file sharing, shared folders, large mailboxes, instant messaging, and is compatible with popular email programs. Excellent for businesses with compliance features.

    72 Fastmail alternatives

    Cost / License

    • Subscription
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • Flatpak
     
  11. Mailfence icon
     62 likes
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    This secure email platform offers end-to-end encryption, a comprehensive suite with Calendar and Documents. Mailfence is inter-operable with OpenPGP services, features digital signatures, provides keystores, and available as a PWA for mobile independence while ensuring no ads, trackers, or surveillance.

    71 Mailfence alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  12. Mailpile icon
     117 likes
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    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.

    59 Mailpile alternatives

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
     
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    1
    Comments about Mailpile as an Alternative to Posteo
    Guest
    Negative
    1

    Mailpile is not an email service/provider

    Review by a new / low-activity user.
    Posteo Icon
    Mailpile icon
    • Mailpile is the most popular Self-Hosted alternative to Posteo.

    • Mailpile is Free and Open SourcePosteo is Paid and Open Source
  13. Mailo icon
     25 likes
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    The mail service which respects you.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • OpenPGP
     
12 of 74 Posteo alternatives