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Top Email Sending and Testing Resources

Inbox Placement: A Beginner’s Guide
On January 17, 2025
8min read
Inbox placement should concern you even more than email deliverability! Learn what inbox placement is, how to calculate it, and how to improve the metric!
Daria Roshchyna
Technical Content Writer @Mailtrap

19 Email Marketing Best Practices 
On January 17, 2025
10min read
We cover 19 best email marketing practices in sending, design, copy optimization, and more, so you can boost your email marketing to the next level.
Daria Roshchyna
Technical Content Writer @Mailtrap
This is a cover image fro the ultimate email deliverability guide which covers the details of email deliverability

Email deliverability: Everything you need to know
On January 16, 2025
17min read
Many factors have an impact on whether an email will be delivered or not. Check out what to do and what to avoid to always be on the winning side!
Piotr Malek
Technical Content Writer @ Mailtrap

B2B Email Marketing Best Practices
On January 16, 2025
11min read
We’ve covered 16 best B2B email marketing practices in sending, design, copy optimization, and more, so you can boost up your email marketing to the next level.
Yevhenii Odyntsov
Content @Mailtrap
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How to Send an Email in Python

How to Send Email in Python: SMTP & Email API Methods Explained
On January 07, 2025
24min read
This tutorial will guide you through the most essential steps of sending and testing emails in Python. You will learn how to send HTML email, add images, attachments, and more.
Aleksandr Varnin
Full Stack Developer @ Railsware

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Choosing the Best Transactional Email Service
On January 05, 2025
12min read
We compared 8 transactional email service providers to find the best-performing option.
Ketevan Bostoganashvili
Technical Content Writer @Mailtrap

+1 more author

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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

+1 more author

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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This is a cover image for an article on the ins and outs of SMTP servers

All You Need to Know about SMTP Server 
On January 11, 2025
9min read
Learn everything you need to know about SMTP server. Find out what it is, how it works, what its types are, and much more.
Zakhar Yung
Technical Content Writer @Mailtrap

Multiple SPF Records Do’s and Don’ts
On October 11, 2024
5min read
Having multiple SPF records for one domain is a bad practice. Learn how to convert this for your own benefit and explore useful tips to set up an SPF record
Yevhenii Odyntsov
Content @Mailtrap

What Is Email Hosting: Explanation for Beginners
On October 02, 2024
12min read
Find out what email hosting is and how it works, what types are there, and how to pick up the perfect email hosting for your needs. Click here.
Daria Roshchyna
Technical Content Writer @Mailtrap
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B2B Email Marketing Best Practices
On January 16, 2025
11min read
We’ve covered 16 best B2B email marketing practices in sending, design, copy optimization, and more, so you can boost up your email marketing to the next level.
Yevhenii Odyntsov
Content @Mailtrap

B2C Email Marketing: A Go-To Guide for Beginners
On December 19, 2024
12min read
Learn how to successfully launch B2C email marketing: a step-by-step guide with examples, software, and best practices. Click here.
Oleksii Ianchuk
Product Lead @ 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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