Mail Server : Install Postfix2022/05/27 |
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Install Postfix to configure SMTP Server.
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| [1] | Install Postfix. |
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[root@mail ~]# dnf -y install postfix
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| [2] | This example shows to configure SMTP-Auth to use Dovecot's SASL feature. |
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[root@mail ~]#
vi /etc/postfix/main.cf # line 95 : uncomment and specify hostname myhostname = mail.srv.world # line 102 : uncomment and specify domain name mydomain = srv.world # line 118 : uncomment myorigin = $mydomain # line 135 : change inet_interfaces = all # line 138 : change it if use only IPv4 inet_protocols = ipv4 # line 183 : add mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain # line 283 : uncomment and specify your local network mynetworks = 127.0.0.0/8, 10.0.0.0/24 # line 438 : uncomment (use Maildir) home_mailbox = Maildir/ # line 593 : add smtpd_banner = $myhostname ESMTP # add follows to the end # disable SMTP VRFY command disable_vrfy_command = yes # require HELO command to sender hosts smtpd_helo_required = yes # limit an email size # example below means 10M bytes limit message_size_limit = 10240000 # 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_recipient_restrictions = permit_mynetworks, permit_auth_destination, permit_sasl_authenticated, reject[root@mail ~]# systemctl enable --now postfix |
| [3] | If Firewalld is running, allow SMTP service. SMTP uses [25/TCP]. |
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[root@mail ~]# firewall-cmd --add-service=smtp success [root@mail ~]# firewall-cmd --runtime-to-permanent success |
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