The Samba application is a:

The Samba application is primarily a file server. It is an open-source implementation of the Server Message Block (SMB) protocol, which allows file and printer sharing between computers. Samba enables file sharing between systems running different operating systems, such as Windows, Linux, and macOS, by providing compatibility with the SMB/CIFS protocols used by Windows systems. While Samba can provide limited support for other server functionalities like acting as a print server, its primary focus is on file sharing. It is not specifically designed to function as a mail server, security server, or web server.