作者:leooooo | 来源:互联网 | 2017-10-26 19:13
文章标题:linux上安装基于postfix的全功能邮件服务器(2)。Linux是中国IT实验室的一个技术频道。包含桌面应用,Linux系统管理,内核研究,嵌入式系统和开源等一些基本分类
八、为postfix开启基于cyrus-sasl的认证功能
使用以下命令验正postfix是否支持cyrus风格的sasl认证,如果您的输出为以下结果,则是支持的:
# /usr/local/postfix/sbin/postconf -a
cyrus
dovecot
#vi /etc/postfix/main.cf
添加以下内容:
############################CYRUS-SASL############################
broken_sasl_auth_clients = yes
smtpd_recipient_restrictiOns=permit_mynetworks,permit_sasl_authenticated,reject_invalid_hostname,reject_non_fqdn_hostname,reject_unknown_sender_domain,reject_non_fqdn_sender,reject_non_fqdn_recipient,reject_unknown_recipient_domain,reject_unauth_pipelining,reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_optiOns= noanonymous
smtpd_sasl_application_name = smtpd
smtpd_banner = Welcome to our $myhostname ESMTP,Warning: Version not Available!
#vi /usr/local/lib/sasl2/smtpd.conf
添加如下内容:
pwcheck_method: saslauthd
mech_list: PLAIN LOGIN
让postfix重新加载配置文件
#/usr/local/postfix/sbin/postfix reload
九、让postfix支持虚拟域和虚拟用户
1、编辑/etc/postfix/main.cf,添加如下内容:
########################Virtual Mailbox Settings########################
virtual_mailbox_base = /var/spool/mail
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf
virtual_alias_domains =
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_uid_maps = static:2525
virtual_gid_maps = static:2525
virtual_transport = virtual
maildrop_destination_recipient_limit = 1
maildrop_destination_concurrency_limit = 1
##########################QUOTA Settings########################
message_size_limit = 14336000
virtual_mailbox_limit = 20971520
virtual_create_maildirsize = yes
virtual_mailbox_extended = yes
virtual_mailbox_limit_maps = mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_maildir_limit_message = Sorry, the user's maildir has overdrawn his diskspace quota, please Tidy your mailbox and try again later.
virtual_overquota_bounce = yes
2、添加为支持虚拟域和虚拟用户所用到的配置文件
编辑/etc/postfix/mysql_virtual_alias_maps.cf ,添加如下内容:
user = extmail
password = extmail
hosts = localhost
dbname = extmail
table = alias
select_field = goto
where_field = address
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