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Install\Configure Postfix
2012/05/10 |
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Install Postfix to configure SMTP Server. This example shows to configure SMTP-Auth to use Dovecot's SASL function.
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| [1] | Install and Configure Postfix |
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root@mail:~#
aptitude -y install postfix postfix-tls sasl2-bin # Enter  # select 'No Configuration' (configure manually)  root@mail:~# cp /usr/lib/postfix/main.cf /etc/postfix/main.cf
root@mail:~#
vi /etc/postfix/main.cf # line 59: uncomment mail_owner = postfix # line 76: uncomment and specify hostname myhostname = mail.srv.world
# line 83: uncomment and specify domain name mydomain = srv.world
# line 104: uncomment myorigin = $mydomain # line 118: uncomment inet_interfaces = all # line 166: uncomment mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain # line 209: uncomment local_recipient_maps = unix:passwd.byname $alias_maps # line 268: uncomment and specify your LAN mynetworks = 127.0.0.0/8, 10.0.0.0/24
# line 388: uncomment alias_maps = hash:/etc/aliases # line 399: uncomment alias_database = hash:/etc/aliases # line 421: uncomment (use Maildir) home_mailbox = Maildir/ # line 531: uncomment header_checks = regexp:/etc/postfix/header_checks # add: mail body checking body_checks = regexp:/etc/postfix/body_checks
# line 557: make it comment and add below # smtpd_banner = $myhostname ESMTP $mail_name (@@DISTRO@@)smtpd_banner = $myhostname ESMTP
# line 631: add sendmail_path = /usr/sbin/postfix
# line 636: add newaliases_path = /usr/bin/newaliases
# line 641: add mailq_path = /usr/bin/mailq
# line 647: add setgid_group = postdrop
# line 651: make it comment # html_directory =
# line 655: make it comment # manpage_directory =
# line 660: make it comment # sample_directory =
# line 664: make it comment # readme_directory =
# add at the lasdt line: limit an email size 10M message_size_limit = 10485760 # limit mailbox 1G mailbox_size_limit = 1073741824
# for SMTP-Auth settings smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous smtpd_sasl_local_domain = $myhostname smtpd_client_restrictions = permit_mynetworks,reject_unknown_client,permit smtpd_recipient_restrictions = permit_mynetworks,permit_auth_destination,permit_sasl_authenticated,reject
root@mail:~#
vi /etc/postfix/header_checks # add at the head ( reject if email address is empty ) /^From:.*<#.*@.*>/ REJECT
/^Return-Path:.*<#.*@.*>/ REJECT
root@mail:~#
vi /etc/postfix/body_checks # reject if includes 'example.com' in mail body /^(|[^>].*)example.com/ REJECT
root@mail:~# service postfix restart * Stopping Postfix Mail Transport Agent postfix ...done. * Starting Postfix Mail Transport Agent postfix ...done. |