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Today, the editor will share with you the relevant knowledge points about how to install postfix in CentOS6. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article. Let's take a look.

Postfix is an open source e-mail server software, which is the result of an improved sendmail mail server. Postfix tries to be faster, easier to manage, more secure, while maintaining sufficient compatibility with sendmail.

1. Postfix. CentOS6 is installed by default. If the system does not have postfix, you can install it with the following command. [root@mail] # yum-y install postfix2. Configure the main.cf of postfix and configure smtp-auth to adopt the sasl function of dovecot. Line 75 of [root@mail ~] # vi / etc/postfix/main.cf#: uncomment and set the hostname. Myhostname = mail.opsky.top# line 83: uncomment and set the domain name. Mydomain = opsky.top# line 99: remove the comment. Myorigin = $mydomain# Line 116: inet_interfaces = all# Line 119: if only ipv4 is used, the settings are as follows. Inet_protocols = ipv4# line 164: configure a domain name that can receive mail. Mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain# Line 264: uncomment and set the local network number segment .mynetworks = 127.0.0.0Uniplex 8, 10.0.0.0Universe line 419: uncomment and use Maildir format. Home_mailbox = Maildir/# line 571: smtpd_banner = $myhostname ESMTP# add the following configuration to the end of the file # one message size limit is 10Mmessage_size_limit = 1048576A mailbox size limit is 1Gmailbox_size_limit = 107374182 configuration SMTP-Auth uses dovecot sasl function smtpd_sasl_type = dovecotsmtpd_sasl_path = private/authsmtpd_sasl_auth_enable = yessmtpd_sasl_security_options = noanonymoussmtpd_sasl_local_domain = $myhostnamesmtpd_recipient_restrictions = permit_mynetworks After the permit_auth_destination,permit_sasl_authenticated,rejectmain.cf is configured Start postfix and set it to start automatically. [root@mail] # / etc/rc.d/init.d/postfix startStarting postfix: [OK] [root@mail ~] # chkconfig postfix on3. If iptables is on, set iptables to open port 25 of smtp. [root@dlp] # iptables-I INPUT 5-p tcp-m state-- state NEW-m tcp-- dport 25-j ACCEPT is all the content of this article "how to install postfix in CentOS6". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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