Welcome to eXtremail home page.

eXtremail is a Unix mail server. It actually supports three protocols used on Internet electronic mailing systems: SMTP, which stands for Simple Mail Transfer Protocol, and is the responsible of transferring the contents of the email form the sender to the final recipient. POP, in its third version -POP3-, and stands for Post Office Protocol, which is the protocol used by MUA, Mail User Agents or mail clients, to retrieve the contents of the email. IMAP, in its forth version -IMAP4-, which stands for Interactive Mail Access Protocol, and is an alternative protocol for retrieving mails from the MUA, less used that POP3 but increasing lately though.

That means that the eXtremail daemon will listen on ports 25, SMTP, 110, POP3, and 143, IMAP4, although that is configurable. But there is one more port that eXtremail will listen on: 4501, by default, will be used to receive the commands that eXtremail understand like administrating commands. It is the administration port. To do so, just telnet to that port and start sending the administering commands. Just as that. Easy, don't you think?

eXtremail is developed in C, using multithreaded functions, which increases its performance, which is actually really good. It doesn't use any 3rd party library. Everything that eXtremail does it is programmed from scratch, even DNS access.

eXtremail support virtual domains, so many domains can be hosted using the same server. There is no limit on the number of users that eXtremail can serve. You tell me if you find out.

Agreement

eXtremail is being distributed as Freeware. It may be freely used, copied and distributed as long as it is not sold, and all original files are included, including this license. By using this software, you agree to these terms and the terms of the Disclaimer below:

Disclaimer

This software and any support from the Author, Richard, is provided "as is" and without warranty, express or implied. The Author specifically disclaim any implied warranties of merchantability and fitness for a particular purpose. In no event will the Author be liable for any damages, including but not limited to any lost profits, lost savings or any incidental or consequential damages, whether resulting from impaired or lost data, software or computer failure or any other cause, or for any other claim by the user or for any third party claim.