CentOS 7.2下安装部署邮件服务器(Postfix)的步骤详解

linux  /  管理员 发布于 7年前   278

本文主要介绍的是在CentOS 7.2安装部署邮件服务器(Postfix)的相关内容，分享出来供大家参考学习，下面来看看详细的介绍：

Postfix 是一种电子邮件服务器，它是由任职于IBM华生研究中心（T.J. Watson Research Center）的荷兰籍研究员Wietse Venema为了改良sendmail邮件服务器而产生的。最早在1990年代晚期出现，是一个开放源代码的软件。

注意：以下所有配置的命名都是根据主机的hostname变量来配置的，如果hostname更换了的话，需要重新生成证书。

生成ssl证书

1、生成证书的脚本代码

以hostname为命名生成证书，运行脚本后需输入四次相同密码(密码须包含数字和字母)

#!/bin/shrm -rf $(hostname).*openssl genrsa -des3 -out $(hostname).key 1024SUBJECT="/C=US/ST=Mars/L=iTranswarp/O=iTranswarp/OU=iTranswarp/CN=$(hostname)"openssl req -new -subj $SUBJECT -key $(hostname).key -out $(hostname).csrmv $(hostname).key $(hostname).origin.keyopenssl rsa -in $(hostname).origin.key -out $(hostname).keyopenssl x509 -req -days 3650 -in $(hostname).csr -signkey $(hostname).key -out $(hostname).crtcp $(hostname).crt /etc/pki/tls/certs/$(hostname).crtcp $(hostname).key /etc/pki/tls/certs/$(hostname).keyecho "the key path:/etc/pki/tls/certs/$(hostname).key"echo "the crt path:/etc/pki/tls/certs/$(hostname).crt"rm -rf $(hostname).*

Postfix安装及配置

安装

yum -y install postfix

配置

vim /etc/postfix/main.cf

# line 75: uncomment and specify hostnamemyhostname = $(hostname)# line 83: uncomment and specify domain namemydomain = test.cn# line 99: uncommentmyorigin = $mydomain# line 116: changeinet_interfaces = all# line 164: addmydestination = $myhostname, localhost.$mydomain, localhost, $mydomain# line 264: uncomment and specify your local networkmynetworks = 127.0.0.0/8, 10.0.0.0/24# line 419: uncomment (use mailboxdir)home_mailbox = mailbox/# line 574: addsmtpd_banner = $myhostname ESMTP# 在配置文件尾部追加以下内容# limit an email size for 10Mmessage_size_limit = 10485760# limit a mailbox for 1Gmailbox_size_limit = 1073741824# for SMTP-Authsmtpd_sasl_type = dovecotsmtpd_sasl_path = private/authsmtpd_sasl_auth_enable = yessmtpd_sasl_security_options = noanonymoussmtpd_sasl_local_domain = $myhostnamesmtpd_recipient_restrictions = permit_mynetworks,permit_auth_destination,permit_sasl_authenticated,rejectsmtpd_use_tls = yessmtpd_tls_cert_file = /etc/pki/tls/certs/$(hostname).crtsmtpd_tls_key_file = /etc/pki/tls/certs/$(hostname).keysmtpd_tls_session_cache_database = btree:/etc/postfix/smtpd_scache

vim /etc/postfix/master.cf

# line 26-28: uncommentsmtps  inet n  -  n  -  -  smtpd -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes

Dovecot 安装及配置

安装

yum -y install dovecot

配置

vim /etc/dovecot/dovecot.conf

# line 24: uncommentprotocols = imap pop3 lmtp# line 30: uncomment and change ( if not use IPv6 )listen = *

vim /etc/dovecot/conf.d/10-auth.conf

# line 10: uncomment and change ( allow plain text auth )disable_plaintext_auth = no# line 100: addauth_mechanisms = plain login

vim /etc/dovecot/conf.d/10-mail.conf

# line 30: uncomment and addmail_location = maildir:~/Maildir

vim /etc/dovecot/conf.d/10-master.conf

# line 96-98: uncomment and add like follows# Postfix smtp-authunix_listener /var/spool/postfix/private/auth { mode = 0666 user = postfix group = postfix}

vim /etc/dovecot/conf.d/10-ssl.conf

# line 8: changessl = yes# line 14,15: specify certificatesssl_cert = </etc/pki/tls/certs/$(hostname).crtssl_key = </etc/pki/tls/certs/$(hostname).key

运行

systemctl restart postfixsystemctl enable postfixsystemctl start dovecotsystemctl enable dovecotfirewall-cmd --add-service=smtp --permanentfirewall-cmd --add-port={110/tcp,143/tcp} --permanentfirewall-cmd --add-service={pop3s,imaps} --permanentfirewall-cmd --add-port=465/tcp --permanentfirewall-cmd --reload

邮件日志报告pflogsumm

安装

yum -y install postfix-perl-scripts

查看

perl /usr/sbin/pflogsumm -d yesterday /var/log/maillog

每天1:00AM 定时发送邮件日志摘要到根

crontab -e00 01 * * * perl /usr/sbin/pflogsumm -e -d yesterday /var/log/maillog | mail -s 'Logwatch for Postfix' root

总结

以上就是这篇文章的全部内容了，希望本文的内容对大家的学习或者工作能带来一定的帮助，如果有疑问大家可以留言交流，谢谢大家对的支持。