Email is the most widely used application on the Internet. Exim is rapidly becoming one of the most widely used mail servers, handling mail for tens of millions of users daily.

This book is a complete guide that will let you take full advantage of Exim on your network. If you are an email administrator or a designer or implementor of network applications, this book is an essential resource to help you:

• Deploy Exim as your SMTP email server throughout your organization.
• Configure a reliable mail service to meet the specific needs of your site.
• Manage your email system's daily operations, monitor its performance, interpret logs, and troubleshoot mail problems.
• Filter messages: save messages to files or divert them to other addresses, or check them for spam or viruses and delete them if they do.
• Tune your server to give optimal performance in your environment.
• Handle multiple domains for large organizations and "virtual" domains for ISP-type environments.
• Simplify your email management.
• Secure your email system to prevent unauthorized use and maintain the confidentiality of messages.