On Sat, Jul 28, 2012 at 4:55 PM, Brad Alexander <stor...@gmail.com> wrote: > On Sat, Jul 28, 2012 at 3:53 AM, Muhammad Yousuf Khan <sir...@gmail.com> > wrote: > >> -postfidx >> -dovecot >> -postfixadmin (web interface) >> -roundcube >> -spamassassin >> -clamv >> >> btw i have a question in my mind . postfix is mail server. but the >> question raising in my mind if postfix is the complete server then why >> we have to add several other tools like mentioned above >> (dovecot,spamassassin etc) ? > > Postfix (and sendmail and it's ilk) are actually known as Mail > Tranport Agents (MTAs). They are responsible for getting the mail from > point A to point B. The other pieces are responsible for routing the > mail locally (the mail user agent -- MUA), classifying and eliminating > SPAM, etc. Think of the MTA as the airport. The MTA's responsibility > is only to get you from one airport to the other, you (or the MUA) are > responsible for getting from home (composing the message) to the > originating airport, and from the destination airport to your final > destination. > > Make more sense?
thanks, good example. if i say ISPs which provide SMTP relay. are using MTA where they dont want to store emails (unlike i have to do in office) rather just relay all the messages to destination. Correct? > --b -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/CAGWVfMmRjY6spQCK3j_6GmQNXKPTztc9gB=9sjcsucoypbn...@mail.gmail.com
