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Top Email Sending and Testing Resources

9 Best Email Hosting Providers 
On November 12, 2025
11min read
We compared top 7 email hosting providers and found the best one for your special needs. Find out what it is.
Daria Roshchyna
Technical Content Writer @Mailtrap
This is a symbolic graphic representation of best free business email addresses for an article that covers the topic in detail.

Free Business Emails: 4 Ways to Get Free Accounts
On November 10, 2025
8min read
Discover four ways to get a free business email address. A professional business email address is essential for business communication.
Swati Bucha
Content Marketing Strategist @titan.email
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This is a graphic representation of an email blacklist, for an article that covers the topic in detail.

Email Blacklists Explained: Causes, Solutions, Prevention
On January 24, 2025
9min read
Find out what an email blacklist is, how it works, what are the reasons to get blacklisted, and how to get off the blacklist and avoid it in the future.
Dzenana Kajtaz
Technical Content Writer @Mailtrap

Email Client Testing Explained
On September 02, 2024
11min read
Learn how to test emails in different email clients using Email Sandbox, Litmus, Email on Acid, and more.
Diana Lepilkina
Content Specialist @Mailtrap

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How to Automate Email Verification in Selenium
On August 09, 2024
9min read
Selenium can be a great tool for testing your email verification process. We describe how to set everything up in a few simple steps.
Aleksandr Varnin
Full Stack Developer @ Railsware
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This is a cover image for an article that explains How to Configure WordPress SMTP Settings

How to Configure WordPress SMTP Settings 
On October 22, 2025
7min read
Learn how to set up WordPress SMTP to send transactional or marketing emails using PHPMailer or an SMTP plugin.
Yevhenii Odyntsov
Content @Mailtrap

How to Send Transactional Emails with WordPress
On October 02, 2025
7min read
We've picked seven great tools for sending transactional emails in Wordpress. We talk about their features, integration options, and price tags.
Yevhenii Odyntsov
Content @Mailtrap

What is an Email API?
On July 23, 2025
10min read
Learn what an email API is, how to use it, and why you need it for both side and major projects, all in this article.
Dzenana Kajtaz
Technical Content Writer @Mailtrap
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Mailtrap robot holds a certificate to indicate Mailtrap acquiring ISO certification

Mailtrap Is Now ISO Certified 
On April 10, 2024
2min read
Mailtrap can now certify that we handle all the development processes in accordance with ISO standards. Learn what this means in this article.
Ketevan Bostoganashvili
Technical Content Writer @Mailtrap
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