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Top Email Sending and Testing Resources

How to Send Emails in Bubble.io Using Email API
On April 16, 2025
10min read
Leverage Mailtrap's Email API and start delivering emails from your Bubble.io project straight into your recipient's inboxes.
Artem Litvinenko
Software Engineer

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How to Send Emails in Bubble.io Using Email API
On April 16, 2025
10min read
Leverage Mailtrap's Email API and start delivering emails from your Bubble.io project straight into your recipient's inboxes.
Artem Litvinenko
Software Engineer

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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 Mailtrap, 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

SendGrid Sandbox Mode Explained
On July 31, 2024
4min read
SendGrid offers a sandbox mode you can use to test your emails. We analyze how it works and give suggestions on proper email testing with SendGrid.
Oleksii Ianchuk
Product Lead @ Mailtrap
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Postfix vs. Sendmail vs. Exim
On February 18, 2025
6min read
Of the following MTAs of Postfix, Exim, and Sendmail, which would suit your project? Check out the selection criteria and explore which MTA prevails.
Yevhenii Odyntsov
Content @Mailtrap

What Is Secure Email Server & How Does It Work?
On February 04, 2025
9min read
Learn what a secure email server means, the role of email security, and how to make your email server secure. Click here.
Eric Wahlquist
Senior Content Marketing Manager

Webhooks Explained
On January 29, 2025
9min read
Find out what the catch with webhook is through in-depth explanations, real-case examples, and detailed how-tos!
Ivan Djuric, an author at Mailtrap
Ivan Djuric
Technical Content Writer @Mailtrap
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
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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

ActionMailer Balancer: Keeping the Email Sending Equilibrium
On December 21, 2022
4min read
Mailtrap ActionMailer Balancer is an ActionMailer extension that allows proportionally distributing the email sending load between two different sending services and mitigating the sending risks.
Viktoriia Ivanenko
Technical Content Writer @ Mailtrap
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