Growth · alternatives · 2026

24 alternatives to RelayBox

Your emails, truly private

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   ProxiedMail▲170

   Email forwarding with unlimited mailboxes

   2024 · proxiedmail.com · its alternatives →

2. 2
   Firefox Relay▲252

   Hide your real email address to help protect your identity.

   2021 · relay.firefox.com · its alternatives →

3. 3NS
   NBox – Sign up anywhere without giving your email address▲286

   2017 · nbox.notif.me · its alternatives →

4. 4
   Privacy Portal - Mail Relay▲11

   Privacy and security for your personal email

   2024 · privacyportal.org · its alternatives →

5. 5
   I made an open-source anonymous email forwarding service▲393

   Create unlimited email aliases for free. Protect your real email from spam by using a different address for each service. Privacy friendly, anonymous replies.

   2019 · anonaddy.com · its alternatives →

6. 6
   AnoneMail▲91

   Keep your email address private

   2020 · play.google.com · its alternatives →

7. 7
   Warmbox▲383

   Warm-up your inbox and never land in spam

   2021 · warmbox.ai · its alternatives →

8. 8
   Keepmail▲146

   Secure and private email forwarding service

   2023 · its alternatives →

9. 9RE
   Randomised email addresses for privacy protection▲13

   2019 · faircustodian.com · its alternatives →

10. 10
    Landmark▲124

    Keep your real email address private!

    2019 · its alternatives →

11. 11
    Slimbox▲81

    Slim your Inbox with email Daily Summaries.

    2022 · slimboxapp.com · its alternatives →

12. 12
    Hide My Email - Open Source Extension▲114

    Use unique, random addresses when signing up for websites.

    2025 · github.com · its alternatives →

13. 13
    IdBloc▲83

    Generate a unique & secure email address for every website

    2019 · its alternatives →

14. 14
    QuiteInbox▲121

    Take back control of your inbox

    Nov 2025 · quiteinbox.xyz · its alternatives →

15. 15
    DumpBox▲16

    Your inbox for everything else.

    2025 · its alternatives →

16. 16
    altmails 2.0▲96

    Stop giving out your email address online.

    2019 · altmails.com · its alternatives →

17. 17
    The Spam Box▲4

    Disposable Email Service

    2022 · its alternatives →

18. 18
    Pribox.io▲5

    Reach more customer, Get more sales!

    2022 · gocustomer.ai · its alternatives →

19. 19MA
    MailRubber, a condom for your email address▲23

    2013 · mailrubber.me · its alternatives →

20. 20
    Unified Mailbox▲8

    A fully private, unlimited, and long-term virtual email box

    2025 · its alternatives →

21. 21
    KadeEmail▲8

    Anonymous email addresses that protect your privacy

    2025 · kade.email · its alternatives →

22. 22
    Relay: Email API with Your Own SMTP▲5

    Relay Beta: Own SMTP. Ultra-fast email API.

    Nov 2025 · relay.voidvalue.com · its alternatives →

23. 23
    GlideInbox▲9

    Create unlimited free disposable emails with customization

    2025 · glide-inbox.web.app · its alternatives →

24. 24
    Junkbox.one▲3

    A free serverless disposable email service.

    2020 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →