To get your transactional emails successfully delivered, we’ve put together a list of free SMTP servers (also called SMTP relay service) that have gone through our rigorous deliverability tests. And here’s the best part – they are not just reliable, they’re also completely free to use with certain limitations – which is much better than just a free trial. So, you can keep your credit card tucked away—you won’t need it.
Setting one of these email servers up is straightforward – you don’t need to be a developer or programming languages, as all the necessary information for setup is provided in an easy-to-understand manner. These servers include secure connections using SSL/TLS encryption.
So, without further ado, here is our comprehensive list of the best free SMTP servers, ranked on a variety of quality factors:
- MailerSend – free plan: up to 3,000 emails per month
- SMTP2Go – free plan: up to 1,000 emails per month
- SendPulse – free plan: up to 12,000 emails per month
- Brevo (formerly Sendinblue) – free plan: up to 300 emails per day
- Mailjet – free plan: up to 200 emails per day
- Aha Send – free plan: up to 1,000 emails per month
- Mailtrap – free plan: up to 1,000 emails per month
- Postmark – free plan: up to 100 emails per month
- SendGrid – free plan: up to 100 emails per month
- Gmail – free plan: up to 500 emails per day
- Elastic Email – free plan: up to 100 emails per day
Ref:https://www.emailtooltester.com/en/blog/free-smtp-servers/
