Postfix Mail

Postfix Server Configuration

Install Postfix server "sudo aptitude install postfix" and input these options:

    • Mail Server Configuration -> Internet Site

    • System Mail Name -> smartonline.com

    • Root and postmaster mail recipient -> sysadmin

    • Other destinations to accept mail for (blank for none) -> localhost

    • Force synchronous updates on mail queue? -> No

    • Local networks -> 172.16.110.0/8, 127.0.0.0/8

    • Mailbox size limit (bytes) -> 0

    • Local address extension character -> BLANK

    • Internet protocols to use -> ipv4

If you want to reconfigure the postfix, execute "sudo dpkg-reconfigure postfix".

Testing Mail

telnet <IP> 25

EHLO

MAIL FROM: <from-email>

RCPT TO: <recipient-email>

DATA

Type message here.

. <Enter>

The last line leaves DATA mode.