Courier MTA is a fast, scalable, enterprise mail/groupware server that offers a comprehensive suite of email and collaboration services. It supports ESMTP, IMAP, POP3, webmail, mailing lists, as well as basic web-based calendaring and scheduling functionalities. With its robust and efficient architecture, Courier MTA is designed to handle large volumes of email traffic while ensuring reliable delivery and performance. It is suitable for organizations of all sizes, providing a versatile platform for managing email communication and collaboration needs.
