MailGenius Alternatives (January 2026)

Mail Tester: Free Email Spam Checker - Email Deliverability Tester

https://www.mailgeniu.com/

Use our Mail Tester to test email. Get 3 Free Spam Tests to check your Email Deliverability and spam score with our free email spam checker.

3.9/5

23+ reviews

Reviewed on:

Capterra

Trustpilot

Facebook

Free Email Spam Checker - Deliverability Test

https://unspa

.email/

Check the email newsletter spam score. Improve the deliverability of your emails with our free spam checker and tester tool.

Email List Verification & Deliverability Testing Tool - MailerCheck

https://www.mailerchec

.com/

Clean your email list with Mailercheck's email verification tool and improve deliverability with our email testing suite to boost email marketing ROI.

SendForensics - Deliverability Tools For Email Performance

https://www.sendforensic

.com/

The only deliverability tool you need. Find out why your email is going to spam and protect your sender reputation

MailMonitor - Keep Your Emails Out of Spam. Get a Free Demo.

https://mailmonito

.com/

A suite of email marketing tools to monitor Inbox placement, Deliverability, IP health and Sender Reputation, compatible with all Email Service Providers.

Email Validation - Email Verification Service | EmailListValidation

https://www.emaillistvalidatio

.com/

Bulk email verifier. Get rid of spam traps, bounces,and disposable emails. Start with 100 FREE email validations! Secure & accurate bulk email validation

Email Checker | Hunter Email | Bounce Checker | Email Deliverability - MailTester

https://mailteste

.com/

If you want excellent email deliverability, our services are highly dependable. Reach out to us for bounce checker and hunter email.

Email Checker & Bulk Email List Verifier - EmailListVerify

https://www.emaillistverif

.com/

Get rid of spam traps, bounces, disposable or catch-all emails with bulk email verifier or real-time API. Start with 100 FREE email verifications!

Bulk Email Verification: 100 Free Email Verifications Daily

https://myemailverifie

.com/

Keep your email list clean with our bulk email verification service. Verify daily 100 email address for free and avoid sending emails to spam / invalid account.

Automate email tests | loved by developers & QA teams

https://testmai

.app/

Test new user signups, transactional emails, spam scores, and more. Get started on our free forever plan with unlimited email addresses and mailboxes.