Mailx

Mailx is a command-line utility for sending and receiving email on Unix-like operating systems. It serves as a lightweight alternative to more complex mail clients, offering basic functionality through a terminal interface. Originally derived from the Berkeley Mail utility, Mailx has evolved into a widely used tool for system administrators and developers requiring simple email capabilities within scripts or automation workflows. Its compatibility with various Unix variants, including Linux and BSD, underscores its enduring relevance in server environments.

Installation Steps

To install Mailx on a Linux system, users typically rely on package managers provided by their distribution. For Debian-based systems like Ubuntu, the command `sudo apt-get install Mailx` suffices. On Red Hat-based distributions such as CentOS or Fedora, the equivalent command is `sudo yum install Mailx` or `sudo dnf install Mailx`, depending on the version. These commands fetch and install the necessary binaries and dependencies from the distribution's repositories.

Configuration and Usage

After installation, Mailx requires minimal configuration. Users often set up the `~/.mailrc` file to define default settings, such as the SMTP server address or authentication credentials. For example, adding `set smtp=smtp.example.com` specifies the mail server. Basic usage involves commands like `mail -s "Subject" recipient@example.com` to compose a new message, followed by typing the email body and pressing `Ctrl+D` to send it. Advanced features, such as sending attachments or managing mailboxes, may require additional configuration or third-party tools.

Additional Resources

For detailed installation instructions and troubleshooting guidance, refer to the official documentation: [ioflood.com blog post on Mailx installation](https://ioflood.com/blog/install-Mailx-command-linux/).

Technical articles in this category are applicable to Linux. Debian GNU/Linux is used in examples. Much of the information is also applicable to other Linux distributions and Unix flavours.

This page contains information generated by Ollama. The information was reviewed, and may have been altered, by a human editor before being added to the Featured category. As of July 2026 information generated by AI is not subject to copyright and is thus in the public domain. This page is pending human review.