Entries Related to ‘e-mail’

OpenSSL, the open source toolkit for implementing the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, is an everyday essential for most Linux admins responsible for secure networking. But OpenSSL includes a wealth of features that even grizzled veterans may not be familiar with. You can use OpenSSL to test POP and IMAP servers, and test server connection speeds, among other interesting tricks.

Every business needs email, but not every business wants an expensive propriety email server like Exchange Server. If you prefer a free mail server, consider Postfix, an open source email server that supports POP3, IMAP, and SMTP. Running Postfix on CentOS, an enterprise-level Linux distribution derived from Red Hat Enterprise Linux, gives you a reliable, proven messaging solution.

This tutorial explains how to use a recipe of Davmail, Fetchmail, Postfix, and Courier IMAP to interface standards-based e-mail clients with Exchange’s Outlook Web Access, and to integrate corporate and non-corporate e-mail accounts into a single inbox that’s not buried inside the store of the mail user agent.

While open source mail servers have always dominated the mail transfer market, enterprises expect much more than just simple mail transfer from their mail servers. How do you pick the right enterprise mail server for your business?