Postfix configuration installation in Linux

Postfix is the MTA (Mail transfer agent) software developed by Wietse Venema under the IBM GPL protocol. Postfix is an attempt by Wietse Venema to provide alternatives to the widest possible sendmail, let's look at the Postfix configuration installation method.

Install Postfix

The code is as follows
Yum install postfix System-switch-mail

Set Postfix

The code is as follows
Vi/etc/postfix/main.cf Myhostname = ha.xxx.kh.edu.tw Myorigin = $myhostname myorigin= xxx.kh.edu.tw Inet_interfaces = All #inet_interfaces = Local mydestination = $myhostname, localhost $mydomain, localhost Mynetworks = 163.32.x.0/24, 127.0.0.0/8 Relay_domains = $mydestination

power-on Boot

The code is as follows
Vi/etc/rc.d/rc.local /usr/sbin/postfix start

Installation and setting Dovecot (Centos6.4)

Installing software

The code is as follows
Yum-y Install Dovecot Cp/etc/dovecot.conf/etc/dovecot.conf.bak Vi/etc/dovecot.conf protocols = POP3 Ssl_disable = yes

Modify Dovecot Receipt Preset location

The code is as follows
Vi/etc/dovecot/conf.d/10-mail.conf Mail_location = mbox:~/mail:inbox=/var/mail/%u Vi/etc/dovecot/conf.d/10-auth.conf Disable_plaintext_auth = No Auth_mechanisms = Plain Login

Reboot

The code is as follows
Service Dovecot Restart Chkconfig Dovecot on

setting Postfix SMTP Authentication

The code is as follows
Vi/etc/postfix/main.cf Smtpd_sasl_auth_enable = yes Smtpd_sasl_security_options = noanonymous Broken_sasl_auth_clients = yes Smtpd_recipient_restrictions = Permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination Chkconfig SASLAUTHD on Service SASLAUTHD Restart

Virus filtration Software AMAVISD + Clamav antivirus and spam

Install ClamAV amavisd-new Software

The code is as follows
Yum-y Install ClamAV amavisd-new Service CLAMD Start Chkconfig--level 3,5 Freshclam on Service AMAVISD Start Chkconfig--level 3,5 AMAVISD on

Specify Mail server network domain

The code is as follows
Vi/etc/amavisd/amavisd.conf $mydomain = Www.111cn.net

First, define a virus filtering service in MASTER.CF

The code is as follows
Vi/etc/postfix/master.cf Amavis Unix----2 Smtp-o smtp_data_done_timeout=1200

Add the following lines to the set

code is as follows

&nbs P;

127.0.0.1:10025    inet    N &N bsp;  -   -   -   -      smtpd    -o content_filter=    -o local_recipient_maps=    -O relay_recipient_maps=    -o smtpd_restriction_classes=    -o smtpd_client_ restrictions=    -o smtpd_helo_restrictions=    -o smtpd_sender_restrictions =    -o smtpd_recipient_restrictions=permit_mynetworks,reject    -O MYNETWORKS=127.0.0.0/8    -o strict_rfc821_envelopes=yes    -o smtpd_error_ Sleep_time=0    -o smtpd_soft_error_limit=1001    -o smtpd_hard_error_limit=1000

Content_filter parameter setting

Vi/etc/postfix/main.cf

Content_filter = amavis:[127.0.0.1]:10024

SMTP inet ....... The middle field does not need to be modified ... smtpd