Postfix relay setup in 5 minutes (Ubuntu)

The following procedure will install and set up postfix and use another mail server to relay emails. Tested on Ubuntu 10.04 (Lucid Lynx).

sudo su

apt-get install postfix
Choose “satellite/smarthost” type, all emails will be relayed to another mail server

cd /etc/postfix

vim main.cf
Add:
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options =

vim sasl_passwd
Add:
relay.server.com user@name:password

chmod 600 sasl_passwd

postmap /etc/postfix/sasl_passwd

service postfix restart

sendmail email@domain.com
Type:
Hello!
.

Read postfix documentation in order to make your installation more secure.

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