How to Install MailCatcher on Fedora CoreOS

MailCatcher is a useful tool for developers who want to test emails without actually sending them. This tutorial will guide you through the process of installing MailCatcher on Fedora CoreOS.

Prerequisites

Before starting, you need to ensure that you have the following:

• A Fedora CoreOS Latest machine
• An active internet connection
• A terminal window

Step 1: Install Ruby

You need to install Ruby on your machine to use MailCatcher. To install Ruby, use the following command in your terminal:

sudo dnf install ruby

Step 2: Install MailCatcher

To install MailCatcher, use the following command in your terminal:

sudo gem install mailcatcher

Step 3: Start MailCatcher

To start MailCatcher, use the following command in your terminal:

mailcatcher

MailCatcher should now be running on your machine. You can see the MailCatcher web interface by visiting http://127.0.0.1:1080 in your web browser.

Step 4: Configure MailCatcher

You can configure MailCatcher according to your needs. To change the SMTP port, use the following command:

mailcatcher --smtp-port 25

You can change the SMTP port to any available port of your choice.

Conclusion

In this tutorial, we have covered how to install MailCatcher on a Fedora CoreOS Latest machine. You can now use MailCatcher to test emails without actually sending them.