Exim.org
Exim Internet Mailer
Exim is an open-source mail transfer agent for Unix systems, offering flexible email routing and advanced mail checking for secure internet email delivery.
Flexible, open-source email server for Unix systems
Exim is an open-source message transfer agent (MTA) built for Unix systems, helping you send and receive email over the internet. It was originally developed at the University of Cambridge and is available under the GNU General Public License.
With Exim, you get powerful options for routing mail, checking incoming messages, and configuring your email server to fit your needs. It’s a flexible alternative to Sendmail, allowing you to manage email delivery with detailed control and robust security features.
Whether you're running a personal server or managing email for an organization, Exim offers the tools and documentation you need to set up reliable, customizable email handling on Unix platforms.
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