Postfix

Postfix is a very popular open source Mail Transfer Agent (MTA).

Steps for Ubuntu Ubuntu 14.04 LTS

• apt-get update / apt-get install mailutils
• apt-get install postfix
• Choose ok, Internet Site
• System mail name: bitarus.allowed.org
• nano /etc/postfix/main.cf

mydomain=bitarus.allowed.org
myhostname = mail.bitarus.allowed.org
smtpd_recipient_restrictions=permit_sasl_authenticated , reject_unauth_destination
relay_domains=
smtpd_sasl_auth_enable=yes
smtpd_sasl_security_options=noanonymous
smtpd_sasl_local_domain=$myhostname
broken_sasl_auth_clients=yes
smtpd_relay_restrictions=permit_sasl_authenticated
home_mailbox=Mailbox
mail_spool_directory=/var/mail

• service --status-all
• service postfix restart

User mail spool

• touch /var/mail/userx
• chown vitor:mail /var/mail/userx
• chmod o-r /var/mail/userx
• chmod g+rw /var/mail/userx