Unspam.email is an online spam tester tool for emails. It helps to improve the deliverability and reputation of your email campaigns.
Cost / License
- Freemium (Subscription)
- Proprietary
Platforms
- Online

Kingmailer is described as 'Offers transactional SMTP, which lets you send, receive and route emails. Best use case is for SaaS, Forums and e-Commerce sites. It's ideal for sending email notifications. You get a clean IP address and Kingmailer offers 99% inbox rate' and is an website in the online services category. There are more than 100 alternatives to Kingmailer, not only websites but also apps for a variety of platforms, including Windows, SaaS, Self-Hosted and Mac apps. The best Kingmailer alternative is Listmonk, which is both free and Open Source. Other great sites and apps similar to Kingmailer are Stripo.email, Brevo, Mailgun and Buttondown.
Unspam.email is an online spam tester tool for emails. It helps to improve the deliverability and reputation of your email campaigns.

FlipMail provides a powerful email marketing service to boost sales for your business and drive additional buyers for offered products.


JangoSMTP lets you send transactional emails via SMTP or API. It's the first transactional email service to offer open and click tracking.




JangoSMTP is the most popular Mac alternative to Kingmailer.
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Email marketing and automation software used by over 100,000 small businesses, entrepreneurs and bloggers around the world.



