Growth · alternatives · 2026

24 alternatives to SendToFred

Stop fake registrations and email bounces

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SendToFred launched in 2018; newer entries below may have overtaken it.

1. 1
   Mailtrap.io▲125

   Fake SMTP. Send Test Emails without spamming real customers

   2014 · mailtrap.io · its alternatives →

2. 2
   Email List Verify▲330

   Remove hard bounces and email traps from your email lists

   2016 · emaillistverify.com · its alternatives →

3. 3
   BounceGuard▲84

   Email list validation and verification

   2023 · bounce-guard.com · its alternatives →

4. 4
   Mailook▲309

   Identify & fix your email deliverability issues for free

   2021 · mailook.ai · its alternatives →

5. 5
   Bouncebuster▲162

   Real-time email verifier

   2021 · bouncebuster.io · its alternatives →

6. 6
   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 →

7. 7
   BounceHunter▲72

   Real-time email verification and email cleaning services

   2021 · bouncehunter.com · its alternatives →

8. 8
   Proofy▲181

   Quickly validate and verify your email lists.

   2016 · proofy.io · its alternatives →

9. 9
   Danger▲119

   Catch fake details, block throwaway emails, spot problem IPs

   2024 · its alternatives →

10. 10PU
    Please-unsubscribe.com – fwd emails to unsubscribe from marketing▲218

    2020 · please-unsubscribe.com · its alternatives →

11. 11
    Weecheck▲120

    Validate email addresses and avoid bounces

    2021 · its alternatives →

12. 12
    Recapture▲111

    Send targeted emails to shoppers who abandon your store

    2016 · recapture.io · its alternatives →

13. 13
    Email Bounce Checker from BlockSurvey▲98

    Privacy-focused email bounce checker. No ads, no trackers.

    2022 · blocksurvey.io · its alternatives →

14. 14
    AnonAddy▲132

    Open-source anonymous email forwarding. Stop spam.

    2019 · addy.io · its alternatives →

15. 15
    BounceBan▲123

    Unlimited free email verify, works great for accept-all

    2022 · bounceban.com · its alternatives →

16. 16
    Checker▲124

    Detect fake signups in under 200ms with an easy-to-use API

    2025 · its alternatives →

17. 17
    Fake Mail Generator▲107

    An absolutely free disposable email system

    2014 · fakemailgenerator.com · its alternatives →

18. 18
    SendgoMail▲88

    Email sending made easy & affordable for free

    2021 · sendgomail.com · its alternatives →

19. 19
    Mailcheck▲86

    Validate and clear your email lists from bounces 💌

    2019 · mailcheck.co · its alternatives →

20. 20
    Email Spam Checker by Autoklose▲105

    Send spam-free, high-converting emails

    2020 · app.autoklose.com · its alternatives →

21. 21
    Postal.io for HubSpot▲81

    Send handwritten notes, gifts, or direct mail in minutes

    2020 · ecosystem.hubspot.com · its alternatives →

22. 22
    Free API to block disposable emails▲19

    Block disposable emails with our API. Start for free today.

    2017 · validator.pizza · its alternatives →

23. 23
    Spam Checker by Mailmeteor▲88

    Detect and remove spam words in your emails

    2022 · mailmeteor.com · its alternatives →

24. 24
    MailDude▲92

    Stop spam in your inbox - send it to MailDude

    2014 · 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 →