Sendmail might be a bit more popular than EmailJS. We know about 1 link to it since March 2021 and only 1 link to EmailJS. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Check out emailjs.com, might do what you want. Source: almost 2 years ago
We are using sendmail and Exchange online with to different identies. We are experience problem that we want to receive Teams invitation to our @ sendmail.com address, when I forward teams invitation fromexchange online identite to "sendemail" identetie we are getting error. Source: about 3 years ago
PHPMailer - Email sending library for PHP.
Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
SendGrid - Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free
sSMTP - sSMTP is a simple MTA to deliver mail from a computer to a mail server.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Exim - Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.