CybeMail-Server
Lightweight Alpine email and DNS practice VM for cybersecurity labs
CyberMail-Server is a lightweight Alpine Linux virtual machine for practicing email-server administration and cybersecurity lab tasks in an isolated network.
It includes a realistic mail stack with Postfix, Dovecot, Roundcube, PostfixAdmin, phpMyAdmin, MariaDB, Lighttpd, and BIND 9. You can practice creating mailboxes, using webmail, testing SMTP and IMAP, working with aliases, checking DNS A and MX records, and understanding basic mail routing.
The VM image is less than 350 MB and has been tested in VMware Workstation 26H1. ...