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 · its alternatives →

2. 2
   Firefox Relay▲252

   Hide your real email address to help protect your identity.

   2021 · its alternatives →

3. 3
   Privacy Portal - Mail Relay▲11

   Privacy and security for your personal email

   2024 · its alternatives →

4. 4
   AnoneMail▲91

   Keep your email address private

   2020 · its alternatives →

5. 5
   Warmbox▲387

   Warm-up your inbox and never land in spam

   2021 · its alternatives →

6. 6
   ImprovMX▲292

   Free email forwarding

   2019 · its alternatives →

7. 7
   Keepmail▲146

   Secure and private email forwarding service

   2023 · its alternatives →

8. 8
   Landmark▲124

   Keep your real email address private!

   2019 · its alternatives →

9. 9
   Slimbox▲81

   Slim your Inbox with email Daily Summaries.

   2022 · its alternatives →

10. 10
    Hide My Email - Open Source Extension▲114

    Use unique, random addresses when signing up for websites.

    2025 · its alternatives →

11. 11
    IdBloc▲83

    Generate a unique & secure email address for every website

    2019 · its alternatives →

12. 12
    QuiteInbox▲121

    Take back control of your inbox

    Nov 2025 · quiteinbox.xyz · its alternatives →

13. 13
    DumpBox▲16

    Your inbox for everything else.

    2025 · its alternatives →

14. 14
    altmails 2.0▲96

    Stop giving out your email address online.

    2019 · its alternatives →

15. 15
    The Spam Box▲4

    Disposable Email Service

    2022 · its alternatives →

16. 16
    Pribox.io▲5

    Reach more customer, Get more sales!

    2022 · its alternatives →

17. 17
    Unified Mailbox▲8

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

    2025 · its alternatives →

18. 18
    KadeEmail▲8

    Anonymous email addresses that protect your privacy

    2025 · kade.email · its alternatives →

19. 19
    Relay: Email API with Your Own SMTP▲5

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

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

20. 20LO
    List of disposable email domains to prevent fake registrations▲28

    2021 · disposable-emails.github.io · its alternatives →

21. 21
    TempBox Lite - Temporary Email▲8

    Shield your inbox from spam, with a disposable email.

    Nov 2025 · play.google.com · its alternatives →

22. 22
    GlideInbox▲9

    Create unlimited free disposable emails with customization

    2025 · its alternatives →

23. 23
    OpenInbox.io▲1

    Disposable Email In Seconds

    Jan 2026 · openinbox.io · its alternatives →

24. 24
    Odyssey Relay▲5

    Privacy-first email and phone masking with custom domains

    2025 · 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 →