Date: 10/23/07 (Java Web)    Keywords: no keywords

Postfix is an excellent and powerful mail transfer agent (MTA) like sendmail. You can configure postfix to send outbound mails directly (default) or relay it to another MTA, which could be postfix or sendmail. However you don’t want anyone to be able to relay mails through the server. So normally MTA’s are configured to relay [...]

Source: http://blog.taragana.com/index.php/archive/how-to-setup-postfix-to-relay-outbound-mail-using-sasl/