Establishing an email server on a Virtual Private Server (VPS) involves configuring software and settings to manage email sending, receiving, and storage. This process includes installing an email server application like Postfix, Dovecot, or Exim, configuring DNS records (MX, SPF, DKIM, DMARC) for proper email delivery and authentication, and setting up user accounts and mailboxes. The VPS acts as the host machine providing the necessary computing resources and network connectivity.
Employing a VPS for email hosting offers greater control and customization compared to shared hosting solutions. It allows for independent management of email infrastructure, enhanced security configurations, and scalability to accommodate growing email volume. Historically, businesses relied on in-house servers for email, but VPS solutions have become a cost-effective and manageable alternative, particularly for organizations requiring dedicated resources and specific configurations.