Apps with 'Spam Filter' feature

These apps can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.

  1. Proton Mail icon
    Proton Mail icon

    Proton Mail

     872 likes

    Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

    94 Proton Mail alternatives
    Proton Mail screenshot 1

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    Proton Mail screenshot 1
    Proton Mail screenshot 2
    +6
    Proton Mail screenshot 3

    Properties

    1.  Privacy focused
    2.  Ad-free
    3.  No Tracking

    Features

    1.  End-to-End Encryption
    2.  Encrypted Email
    3.  Two-factor Authentication
    4.  Mobile friendly
    5.  Custom Domain
    6.  Dark Mode
    7.  PGP Encryption
    8.  Anonymous Email
    9.  Filters
    10.  Self Destructing Messages
    11.  IMAP Support
    12.  Calendar Integration
    13.  Integrated Spam Protection
    14.  Custom Link Alias
    15.  Support for Multiple Users
    16.  Multiple languages
  2. K-9 Mail icon
    K-9 Mail icon

    K-9 Mail

     344 likes

    K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.

    43 K-9 Mail alternatives
    K-9 Mail screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    K-9 Mail screenshot 1
    K-9 Mail screenshot 2
    +3
    K-9 Mail screenshot 3

    Properties

    1.  Ad-free
    2.  Privacy focused
    3.  Lightweight
    4.  No Tracking
    5.  Works Offline

    Features

    1.  IMAP Support
    2.  Multiple Account support
    3.  POP3 Support
    4.  One view multiple accounts
    5.  PGP Encryption
    6.  Unified inbox
    7.  End-to-End Encryption
    8.  Contacts
    9.  Exchange
    10.  Custom notifications
    11.  Header sorting
  4. Tuta Mail icon
    Tuta Mail icon

    Tuta Mail

     459 likes

    End-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.

    94 Tuta Mail alternatives
    Mail View

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Flathub
    • F-Droid
    Calendar View
    Contacts View
    +6
    Search feature

    Properties

    1.  Privacy focused
    2.  No Tracking
    3.  Lightweight

    Features

    1.  Encrypted Email
    2.  End-to-End Encryption
    3.  Dark Mode
    4.  Custom Domain
    5.  Encrypted calendar
    6.  Contacts
    7.  Integrated File Sharing
    8.  Multiple Account support
    9.  Email Organizer
    10.  Auto Responder
    11.  Recurring Tasks
    12.  Encrypted Connection
    13.  Sync Contacts
    14.  Filters
    15.  Mobile friendly
    16.  Unlimited Custom Domains
  5. Portmaster icon
    Portmaster icon

    Portmaster

     114 likes

    Portmaster is a free and open-source privacy suite that puts you back in charge of your computer.

    29 Portmaster alternatives
    Dashboard PMv1.4

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    SPN Map
    Network Activity Overview
    +3
    Detailed Connections of Brave Browser

    Properties

    1.  Privacy focused
    2.  Ad-free
    3.  No Tracking
    4.  No registration required

    Features

    1.  Network Tools
    2.  Application Firewall
    3.  Block Trackers
    4.  Dark Mode
    5.  DNS over HTTPS
    6.  Website Monitoring
    7.  Spam Filter
    8.  Built-in VPN
    9.  Dns
  6. addy.io icon
    addy.io icon

    addy.io

     96 likes

    Open-source anonymous email forwarding, create unlimited email aliases for free.

    90 addy.io alternatives
    Manage aliases from the dashboard

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Microsoft Edge
    • Google Chrome
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Mozilla Firefox
    The main interface for the Firefox extension
    Settings for the extension
    +1
    Generate Random Chars alias using the extension.

    Properties

    1.  Privacy focused
    2.  Ad-free
    3.  No Tracking

    Features

    1.  Email Forwarding
    2.  Unique email addresses
    3.  PGP Encryption
    4.  Two-factor Authentication
    5.  Support for Aliases
    6.  Custom Domain
    7.  Spam Filter
    8.  Inbox Management
  7. Ad
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    Avast Premium Security icon

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  8. Evolution icon
    Evolution icon

    Evolution

     199 likes

    Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.

    77 Evolution alternatives
    Mail

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • BSD
    • Flathub
    • S/MIME
    • GNOME
    • OpenPGP
    EMail Inbox
    Calendar - Weekly View
    +4
    Inbox with preview

    Properties

    1.  Ad-free
    2.  Extensible by Plugins/Extensions
    3.  Works Offline

    Features

    1.  Calendar Integration
    2.  Contacts
    3.  CalDAV Support
    4.  Calendar View
    5.  Personal Information Manager (PIM)
    6.  Spam Filter
    7.  Multiple Account support
    8.  Sync with Google Calendar
    9.  IMAP Support
    10.  POP3 Support
    11.  Dark Mode
    12.  Encrypted Email
    13.  Exchange
    14.  CardDAV Support
    15.  Integrated Spam Protection
    16.  Built-in RSS reader
  9. Betterbird icon
    Betterbird icon

    Betterbird

     40 likes

    Betterbird is a drop-in replacement for Mozilla Thunderbird. Betterbird has more features and more fixed bugs than Thunderbird.

    28 Betterbird alternatives
    Calendar view with custom thundirbird dark theme

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Chocolatey
    System tray (systray) for Linux
    System tray (systray) for Linux
    +8
    Account colours

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Extensible by Plugins/Extensions
    4.  Works Offline
    5.  Ad-free
    6.  Support for Themes

    Features

    1.  Multiple Account support
    2.  Unified inbox
    3.  Portable
    4.  Specific for 64-Bit
    5.  Personal Information Manager (PIM)
    6.  POP3 Support
    7.  Built-in RSS reader
    8.  IMAP Support
    9.  SMTP Support
    10.  S/MIME Support
    11.  Gmail integration
    12.  Add-ons
  10. Outlook.com icon
    Outlook.com icon

    Outlook.com

     397 likes

    Outlook.com, part of Office Online (not to be confused with Microsoft Outlook ), is a webmail service from Microsoft, successor of Hotmail.

    67 Outlook.com alternatives
    Outlook.com screenshot 1

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Online
    • Chrome OS
    Outlook.com screenshot 1
    Outlook.com screenshot 2

    Properties

    1.  Extensible by Plugins/Extensions

    Features

    1.  Support for Aliases
    2.  Mail Filtering
    3.  Calendar Integration
    4.  Multiple Account support
    5.  Spam Filter
    6.  File Tagging
    7.  Dark Mode
    8.  Two-factor Authentication
    9.  IMAP Support
    10.  Skype integration
    11.  File Organizer
    12.  POP3 Support
    13.  Snooze Mail
  12. Geary icon
    Geary icon

    Geary

     105 likes

    Geary is an email application built around conversations, for the GNOME 3 desktop.

    49 Geary alternatives
    Main window

    License model

    • Free • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Flathub
    • GNOME
    • Flatpak

    Properties

    1.  Lightweight
    2.  Ad-free
    3.  Privacy focused
    4.  No Tracking

    Features

    1.  Multiple Account support
    2.  Conversational email approach
    3.  Dark Mode
    4.  IMAP Support
    5.  Gmail integration
    6.  Email Organizer
    7.  Spam Filter
    8.  Labels for content
    9.  SMTP Support
    10.  Multiple languages
  13. Spark Mail icon
    Spark Mail icon

    Spark Mail

     124 likes

    E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.

    62 Spark Mail alternatives
    Spark Mail screenshot 1

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • iPad
    • Apple Watch
    Spark Mail screenshot 1
    Spark Mail screenshot 2
    +3
    Spark Mail screenshot 3

    Properties

    1.  Works Offline

    Features

    1.  Multiple Account support
    2.  Email Scheduling
    3.  Snooze Mail
    4.  Cloud Sync
    5.  Sorting by folder
    6.  Dark Mode
    7.  Calendar Integration
    8.  Email Organizer
    9.  Unified inbox
    10.  Mail Filtering
    11.  Exchange
    12.  Postpone email reception
  14. Apple Mail icon
    Apple Mail icon

    Apple Mail

     232 likes

    There’s big news attached. The best way to manage email on a Mac, according to Apple.

    77 Apple Mail alternatives
    Apple Mail screenshot 1

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    Apple Mail screenshot 1
    Apple Mail screenshot 2

    Apple Mail Features

    1.  Bundled with macOS
    2.  Email Organizer
    3.  Multiple Account support
    4.  Dark Mode
    5.  Spam Filter
    6.  CalDAV Support
    7.  CardDAV Support
    8.  Exchange
    9.  Rich text editing
    10.  Encrypted Email
  15. Posteo icon
    Posteo icon

    Posteo

     75 likes

    Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.

    64 Posteo alternatives
    Drag and drop

    License model

    Application types

    Platforms

    • Online
    Conversion view
    WYSIWYG
    +10
    Contact page

    Properties

    1.  Privacy focused
    2.  No Tracking
    3.  Ad-free

    Features

    1.  Encrypted mail and contacts
    2.  Encrypted Email
    3.  Transparency
    4.  Calendar Integration
    5.  PGP Encryption
    6.  Two-factor Authentication
    7.  Mail Filtering
    8.  Support for Aliases
    9.  Calendar View
    10.  Built-in Calendar
    11.  CardDAV Support
    12.  IMAP Support
    13.  Privacy
  16. SpamBlocker icon
    SpamBlocker icon

    SpamBlocker

     12 likes

    Blocks unwanted calls & SMS without replacing your default app. Features regex, contact, STIR, and dialed number filtering, plus time scheduling.

    21 SpamBlocker alternatives
    SpamBlocker screenshot 1
    SpamBlocker screenshot 2
    +1
    SpamBlocker screenshot 3

    License model

    • Free • Open Source

    Application types

    Platforms

    • Android
    • F-Droid

    Properties

    1.  Ad-free
    2.  Lightweight
    3.  No Tracking
    4.  Privacy focused
    5.  No registration required

    Features

    1.  Dark Mode
    2.  Spam Filter
    3.  Time Scheduling
    4.  Support for regular expressions
  17. Claws Mail icon
    Claws Mail icon

    Claws Mail

     100 likes

    Claws Mail is an email client (and news reader), based on GTK+, featuring

    Quick response Graceful, and sophisticated interface Easy configuration, intuitive operation Abundant features Extensibility Robustness and stability.

    78 Claws Mail alternatives
    The main window

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    The account preferences window

    Properties

    1.  Lightweight
    2.  Extensible by Plugins/Extensions
    3.  No registration required
    4.  Ad-free
    5.  Privacy focused
    6.  Works Offline

    Features

    1.  Multiple Account support
    2.  Spam Filter
    3.  Portable
    4.  IMAP Support
    5.  Built-in RSS reader
    6.  Integrated Email Client
    7.  Multiple languages
    8.  Content Filtering
  18. Mailbird icon
    Mailbird icon

    Mailbird

     303 likes

    Manage emails, integrate apps, and personalize your workspace with AI-powered drafting, centralized management, and customizable features for efficient workflows.

    65 Mailbird alternatives
    Mailbird screenshot 1

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    Mailbird screenshot 1
    Mailbird screenshot 2
    +3
    Mailbird screenshot 3

    Top Mailbird Features

    1.  Dark Mode
    2.  Sync Contacts
    3.  Undo send
    4.  Email tracking
    5.  Unified inbox
    6.  GSuite Integration
    7.  Slack integration
    8.  Multiple Account support
    9.  Asana integration
    10.  Multi Account Switching
    11.  Email template editor
    12.  Email Organizer
    13.  Spam Filter
    14.  Unified communications
    15.  Graphical User Interface
    16.  Twitter Integration