Firefox Relay AlternativesTop Disposable Email Services & Anti-Spam Tools like Firefox Relay

Firefox Relay is described as 'We all make many online accounts, but most of them are linked to 1 or 2 of our email addresses. This means if just one account is hacked or tracked, every other account and its associated data is now also at risk' and is a disposable email service in the security & privacy category. There are more than 100 alternatives to Firefox Relay for a variety of platforms, including Web-based, Google Chrome, Mozilla Firefox, Android and SaaS apps. The best Firefox Relay alternative is addy.io, which is both free and Open Source. Other great apps like Firefox Relay are AliasVault, MailDrop, TemporaryMail and Guerrilla Mail.

filter to find the best alternatives

Firefox Relay alternatives are mainly Disposable Email Services, but if you're looking for Anti-Spam Tools or Privacy Tools you can filter on that. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Firefox Relay.
Firefox Relay iconFirefox Relay
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We all make many online accounts, but most of them are linked to 1 or 2 of our email addresses. This means if just one account is hacked or tracked, every other account and its associated data is now also at risk.

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More about Firefox Relay
Firefox Relay alternatives page was last updated Apr 19, 2025
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  1. addy.io icon

    addy.io

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

    97 addy.io alternatives

    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
    Manage aliases from the dashboard

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Email Forwarding
    2.  Disposable Email
    3.  Unique email addresses
    4.  PGP Encryption
    5.  Ad-free
    6.  Two-factor Authentication
    7.  Support for Aliases
    8.  Custom Domain
    9.  No Tracking
    10.  Spam Filter
    11.  Inbox Management

    addy.io VS Firefox Relay

     
    Comments about addy.io as an Alternative to Firefox Relay
    Top Positive Comment
    Jon_B
    Apr 20, 2021
    3

    You can have unlimited aliases with AnonAddy and not with Firefox Relay

    Most Recent Comment
    cosmospider
    Positive Apr 19, 2025
    0

    Addy isn't a service but a hostable software. Host your own or pick an instance that isn't going to be shut down too soon, and you'll not have to depend on Mozilla's unpredictable and unhealthy will to shut down it's services.

    Paul
    Positive Nov 29, 2022
    0

    Very good tool to avoid spam, with unlimited aliases.

    Show more comments
    3 of 6 comments
    Firefox Relay Icon
    addy.io icon

    • Almost everyone thinks addy.io is a great Firefox Relay alternative.

    • addy.io is the most popular Web-based, Android, iPhone & iPad alternative to Firefox Relay.

    • addy.io is the most popular Open Source & free alternative to Firefox Relay.

    • addy.io is Freemium and Open SourceFirefox Relay is also Freemium and Open Source
    • addy.io is Privacy focused and LightweightFirefox Relay is not according to our users
  2. AliasVault icon

    AliasVault

     22 likes
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    AliasVault is an end-to-end encrypted password and alias manager that protects your privacy by creating alternative identities, passwords and email addresses for every website you use.

    61 AliasVault alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Online
    • Self-Hosted
    • Docker
    • Google Chrome
    • Mozilla Firefox
    AliasVault screenshot 1

    Properties

    1.  Privacy focused
    2.  Security-focused

    Features

    1.  Two-factor Authentication
    2.  Passkey Support
    3.  Dark Mode
    4.  Support for Aliases
    5.  Encrypted Backup
    6.  End-to-End Encryption
    7.  No Tracking
    8.  Time-based One-time Password
    9.  Multiple Account support
    10.  Ad-free

    AliasVault VS Firefox Relay

     
  4. MailDrop icon

    MailDrop

     112 likes
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    MailDrop is a free throwaway e-mail address. It's temporary. It's transient. It's disposable. It's meant for those times when you don't want to give out your real address. Just give someone any e-mail address in the maildrop.

    134 MailDrop alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    MailDrop screenshot 1

    MailDrop Features

    1.  Support for Aliases
    2.  Disposable Email

    MailDrop VS Firefox Relay

     
  5. TemporaryMail icon

    TemporaryMail

     18 likes
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    Tired of spam filling your inbox? This tool offers a quick solution by generating temporary, disposable email addresses (temp mail). Just copy your assigned address or create a new one, and you'll immediately start receiving emails in your disposable inbox that is shown...

    65 TemporaryMail alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Microsoft Edge
    • Google Chrome
    • Opera
    • Mozilla Firefox
    TemporaryMail screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Support for Aliases
    2.  Ad-free
    3.  No registration required
    4.  No Tracking
    5.  Microsoft Edge extension
    6.  Opera extension

    TemporaryMail VS Firefox Relay

     
  6. Guerrilla Mail icon

    Guerrilla Mail

     44 likes
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    Guerrilla Mail gives you a disposable email address. You can give your email address to whomever you don't trust. You can read the email using Guerrilla Mail, click on any confirmation link, and even reply.

    132 Guerrilla Mail alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Online
    • Android
    Guerrilla Mail screenshot 1

    Properties

    1.  Privacy focused
    2.  Customizable

    Features

    1.  No registration required
    2.  Support for Aliases
    3.  REST API
    4.  Bulk email sending

    Guerrilla Mail VS Firefox Relay

     
  7. SimpleLogin icon

    SimpleLogin

     104 likes
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    Open source solution to protect your personal email address. Generous free plan with uncapped bandwidth and infinite sends/replies, self-hostable, lot of powerful features, open roadmap, you can count on SimpleLogin to guard your email inbox.

    90 SimpleLogin alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Microsoft Edge
    • Google Chrome
    • Safari
    • F-Droid
    • Mozilla Firefox
    Open source solution to protect your email address.

    Properties

    1.  Privacy focused

    Features

    1.  Support for Aliases
    2.  Two-factor Authentication
    3.  Email Forwarding
    4.  PGP Encryption
    5.  Dark Mode
    6.  Ad-free
    7.  Block Trackers
    8.  No Tracking
    9.  Custom Domain
    10.  Export to CSV

    SimpleLogin VS Firefox Relay

     
    Comments about SimpleLogin as an Alternative to Firefox Relay
    Most Recent Comment
    Paul
    Positive Nov 29, 2022
    0

    Very good tool, pretty similar to AnonAddy.

    Shoji
    Positive Jul 27, 2022
    0

    has open source option, dark mode, free version limited to 10 masks and 25MB email attachments, multi mailbox forwarding, custom domain and subdomain supported

    donsalieri
    Positive Mar 4, 2022
    0

    SimpleLogin can be used for the same purpose as Firefox Relay, plus it allows setting up aliases for custom domains. It is also open-sourced and there is support to self-host it on your own servers.

    Firefox Relay Icon
    SimpleLogin icon

    • Almost everyone thinks SimpleLogin is a great Firefox Relay alternative.

    • SimpleLogin is the most popular Windows, Mac & Linux alternative to Firefox Relay.

    • SimpleLogin is Freemium and Open SourceFirefox Relay is also Freemium and Open Source
    • SimpleLogin is Privacy focusedFirefox Relay is not according to our users
  9. Mailinator icon

    Mailinator

     59 likes
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    Mailinator is a throwaway email service that lets you use the @mailinator.com email domain to receive email at no cost. The email is publicly accessible by anyone but it's also easily disposable. With this, you can signup for services to try them out and not have to worry...

    126 Mailinator alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Mailinator screenshot 1

    Mailinator Features

    1.  No registration required
    2.  Email automation
    3.  Alternate domains
    4.  Distributed Computing

    Mailinator VS Firefox Relay

     
  10. Cloaked icon

    Cloaked

     3 likes
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    Cloaked is a subscription service providing privacy features such as instant identity generation, encrypted communications, an integrated authenticator app, and zero-access to your messages to protect your personal information.

    58 Cloaked alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Android
    • iPhone
    • Google Chrome
    Cloaked screenshot 1
    Cloaked screenshot 2
    Cloaked screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  Support for Aliases
    2.  Two-factor Authentication
    3.  SMS Messaging
    4.  Incident Management
    5.  Autofill

    Cloaked VS Firefox Relay

     

    • Cloaked is the most popular commercial alternative to Firefox Relay.

    • Cloaked is Paid and ProprietaryFirefox Relay is Freemium and Open Source
    • Cloaked is Privacy focusedFirefox Relay is not according to our users
  11. lockrMail icon

    lockrMail

     13 likes
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    lockrMail is a free productivity tool that acts as a pre-filter for your inbox, providing you with a unique and secure email address to use online. Custom filters enable you to decide which brand emails come to your inbox and which are blocked.

    55 lockrMail alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    lockrMail screenshot 1

    lockrMail Features

    1.  Email Forwarding
    2.  Anonymous Email
    3.  Browser extension
    4.  No Tracking
    5.  Ad-free
    6.  Mail Filtering

    lockrMail VS Firefox Relay

     
  12. Inboxes.com icon

    Inboxes.com

     12 likes
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    Get all the spam, junk, advertising material delivered directly to your inboxes email address. Keep your private email for what's important, and use inboxes for anything else.

    64 Inboxes.com alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • International

    Platforms

    • Online
    home page

    Properties

    1.  Privacy focused

    Features

    1.  Disposable Email
    2.  No Tracking
    3.  Spam Filter
    4.  Support for Aliases
    5.  REST API

    Inboxes.com VS Firefox Relay

     
10 of 124 Firefox Relay alternatives