A mail server is an essential part of any organization's IT infrastructure, but installing and maintaining a mail server is not always easy, and it's often difficult for small organizations to pay an expert to set up a mail server. Fortunately, Qmail Toaster can simplify the task enormously.
I recently had to upgrade an aging mail server at my university. While I have experience with network administration under Linux, I always find it difficult to set up a mail server properly. Mail transfer agents (MTA) are complex to set up on their own, and with the added difficulty of setting up features like spam filtering and antivirus protection, it can be really tough.
The old server I was to replace had about 500 accounts on it. Each one of the accounts was an actual user account, with shell access.
Full Article .