What is an ESP or Email Service Provider? A Beginner’s Guide
On February 05, 2026
By Yevhenii Odyntsov
Find out what is an ESP or email service provider, how it differs from an email provider, get a list of popular ESPs, and learn how to choose a suitable provider.
5 Best Email API for Python Developers Tested & Compared
On January 30, 2026
By Yevhenii Odyntsov
I compared 5 best email APIs for Python developers on SDK quality, framework compatibility, flexibility, email infrastructure, pricing, and more.
How to Configure WordPress SMTP Settings
On January 09, 2026
By Yevhenii Odyntsov
Learn how to set up WordPress SMTP to send transactional or marketing emails using PHPMailer or an SMTP plugin.
Best 8 WordPress Transactional Email Plugins Reviewed
On January 09, 2026
By Yevhenii Odyntsov
We've picked eight great plugins for sending transactional emails in WordPress. Learn more about their features, integration options, and price tags.
Skip to Navigation
