MailTrap: Test, Improve, Deliver Emails

Posted February 17th, 2020 in Email Marketing. Tagged: , , .

Customers are the basic asset for any business to grow. To keep in touch with them, most people opt for a professional and popular approach – emails. It doesn’t matter if the business is small-scale or large, emails are the globally used method of communicating with customers. You can inform them about your new deals, offers, products, take their reviews, and conduct surveys through emails.

But your efforts go in vain when your emails are marked as spam and never reach your customers. While there are several reasons for it, finding out what causes your emails to be marked as spam can help. And for that, you need to debug your emails before sending them out.


Mailtrap is a tool that allows you to do so. Businesses need to adopt changes and innovate to sustain. And so does the communication medium, in terms of security, user-friendliness, and multiple usability scenarios. To achieve that, you should always be testing and exploring new trends.

Better late than Spam

Mailtrap is a mail server test tool built by Railsware Products, Inc., which is a premium software development and consulting company. It is quite a popular tool for email testing and ensures safe email delivery to the receiver. With Mailtrap, you can test, view, and share emails sent from the development and staging environment through a fake SMTP server. You can test your emails in-house without spamming your real customers.

The tool allows you to view the notification your client will get, make changes to it and make it look better without even actually sending it. More than that, it also allows you to view the dummy data, transfer emails from a fake environment to a real mailbox, share demo emails or other data with your team, and do a lot more. Mailtrap has a lot to offer and it is considered to be a must have for engaging your customer’s attention and controlling what should reach them in which way.

Let’s take a quick look at Mailtrap’s features

Mailtrap offers a fully secure demo environment with a lot of innovative features. It enlists the most reliable and attractive functionalities to attract users. Let’s have a look at what it has to offer:

  • Analyze emails for spam & blacklists: This tool checks your domain and help you in avoiding spam filters through several recommendations.
  • Never spam your customers accidentally: It allows you to fully analyze you messages and make them good enough to reach you potential customer’s tests.
  • Multiple inboxes are available for multiple servers.
  • Easy to setup and user Friendly: It is very user friendly, easy to learn and use, which makes it popular within its rivals.
  • Test HTML for support: You can inspect and debug each part of your message. Make sure if it works fine for your most popular email clients.
  • Shared access for ease: Allows you to have a shared inbox with your team so you can easily analyze and communicate.
  • Allows you to organize test emails into special inboxes.
  • Secure and encrypted connection with the Mailtrap server.

MailTrap - screenshot

How it works

It takes only a few simple steps to set up the environment for Mailtrap:

  • Sign up and Login to your Mailtrap account using authentic credentials.
  • A dashboard named as “My Inbox” containing multiple options will appear. Click on “Demo Inbox” out of the list of options.
  • Copy and paste the Configuration code from SMTP settings. You will be automatically directed to setting’s page after you click on “demo inbox”.
  • You will be able to see your dev emails shifted in Mailtrap inbox after the code successfully runs. You can view the messages on the left corner of your screen, while it shows other options on the right side.

To dig into the tool deeper, we will have a look at how it technically works and collects data in the background:

  • Collects all mails from local hosts, QA: This tool works as an actual SMTP server. It separates the demo emails from real ones so that no test mail would land in an actual customer’s inbox.
  • Distributes emails from each server to special inboxes: The developers can assign a separate Mailtrap inbox for each server. So that all the emails from that specific server would be stored in that particular inbox. This is done with the help of its configuration code. It makes it very easy to test and distinguish between staging emails coming from different servers.
  • Check how the email is being rendered in a Mailtrap inbox: Users and their teams can completely rely on this tool to track email delivery, notification settings, and email content. There are no chances of any kind of error or difference between fake and real emails.

Pros and Cons

From user reviews and ratings, the performance of this tool seems to be very satisfactory. But as we say, nothing is 100% perfect. There are some negative aspects of this tool too. Let’s have a look at what are the most appealing and disappointing functionalities of this tool:


  • It allows developers to quickly iterate over email designs, make tweaks, and fix things.
  • It allows you to debug emails in the development and production stages.


  • The confirmation process for forwarding emails to “real” email addresses is a little complex.
  • Rehearse outgoing emails before they reach customers. Reduce the chances of ending up in spam with @mailtrap today. @supermonitoring

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Final Verdict

Several companies prefer using Mailtrap due to its functionalities and reliability. Although the tool has many competitors in the market, it is one of the top rated ones. But the users have mixed reviews about its performance and durability. It is simple to use and setup, due to which it is mostly prioritized since it helps save time and effort in learning and setting up. On a scale of 1-10, Mailtrap’s users rate it 7 on 10 for its performance.

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