Improve your email conversion and open rate by automatically sending emails at the exact moment a recipient views their inbox with Send Time Optimization.| Mailgun
SMTP Relay Server in Action Mailgun offers a flexible and powerful SMTP service.| Mailgun
So, you want to talk to your SMTP email server and send emails? Let’s go through SMTP and ESMTP basics, some SMTP commands, and SMTP server response codes.| Mailgun
Find out how to check email deliverability with a full-scale audit of your reputation, infrastructure, and campaign content. Improve your deliverability rates.| Mailgun
Port 25 is for SMTP relays, 587 for mail submission, and 465 for implicit TLS. Discover the use cases for each SMTP port in this guide.| Mailgun
What's the difference between SMTP v. API? Have no fear – we've got you covered. Learn how and when to use SMTP or the API, along with their pros and cons.| Mailgun