Local Mailer

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Sample to install postfix as local mailer on a standard Debian VM.

  • Note: Install postfix with "no config"
root@vm-debian01:~# apt-get install postfix mailutils libsasl2-modules
  • Copy template:
cp /usr/share/postfix/main.cf.debian /etc/postfix/main.cf
  • Configure postfix - NEED TO CHANGE RELAYHOST
postconf -e "relayhost = [mail.server.com]:587"
postconf -e "smtp_sasl_auth_enable = yes"
postconf -e "smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd"
postconf -e "smtp_sasl_security_options = "
postconf -e "smtp_sasl_mechanism_filter = login"
postconf -e "inet_protocols = ipv4"
  • Create Account File: /etc/postfix/sasl_passwd
mail.server.com smtpuser:smtppass
  • Create mapfile
postmap /etc/postfix/sasl_passwd


  • Reload Postfix
postfix reload
  • Restart Postfix
systemctl reload postfix.service


  • Keywords: mta smtp mail sendmail satellite