elswork/mailutils repository overview

⁠MailUtils

A Docker⁠ file to build an image with mailutils and ssmtp to send emails.

⁠Details

Docker Pulls	Docker Stars	Size	Sponsors

⁠Compatible Architectures

This image has been built and tested using buildx⁠ for these architectures:

• amd64 arm64 arm/v7

⁠Build Instructions

docker build -t elswork/mail-sender .

⁠Usage

⁠Build the image

make build

⁠Run the container

make run

⁠Send a test email

make send-test-mail

⁠Stop the container

make stop

⁠Remove the container

make rm

⁠Shell Aliases and Functions

You can add the following aliases and functions to your .bashrc, .zshrc or similar shell configuration file to easily send emails from your command line.

Note: These examples assume your container is named my-mail-sender and your email is [email protected]. Remember to change them to match your configuration.

⁠Send command history (mh)

This alias, named mh (for "mail history"), sends your shell's command history to your email.

alias mh="history | docker exec -i my-mail-sender mail -s \"\$(whoami) \$(uname -nr) \$(awk -F= '\$1==\"PRETTY_NAME\" { print \$2 ;}' /etc/os-release)\" [email protected]"

⁠Send command output (mailme)

This shell function, named mailme, allows you to send the output of any command to your email.

mailme() {
  if [ -z "$1" ]; then
    echo "Usage: mailme <command>"
    echo "Example: mailme ls -l"
    return 1
  fi

  # The subject includes the command name ($1) for clarity
  SUBJECT="Output of command: $1"
  
  "$@" | docker exec -i my-mail-sender mail -s "$SUBJECT" [email protected]
}

Usage examples:

# Send the content of a file
mailme cat /path/to/your/file.txt

# Send the list of running processes
mailme ps aux

# Send a system report
mailme ./system_report.sh

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