Mail Server : Install Postfix2019/11/21 |
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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 function. |
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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 to the end # for example, limit an email size for 10M message_size_limit = 10485760 # for example, limit a mailbox for 1G mailbox_size_limit = 1073741824 # 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 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 --permanent success [root@mail ~]# firewall-cmd --reload success |
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