Linux

postfix smtp服务配置

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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
 
# Debian specific:  Specifying a file name will cause the first
 
# line of that file to be used as the name.  The Debian default
 
# is /etc/mailname.
 
#myorigin = /etc/mailname
 
#smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
 
smtpd_banner = $myhostname ESMTP Server.
 
biff = no
 
# appending .domain is the MUA's job.
 
append_dot_mydomain = no
 
# Uncomment the next line to generate "delayed mail" warnings
 
#delay_warning_time = 4h
 
readme_directory = no
 
# TLS parameters
 
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
 
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
 
smtpd_use_tls=yes
 
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
 
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
 
smtpd_client_restrictions = check_client_access hash:/etc/postfix/client_checks,reject
 
# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
 
# information on enabling SSL in the smtp client.
 
myhostname = nick-ubuntu-server
 
alias_maps = hash:/etc/aliases
 
alias_database = hash:/etc/aliases
 
#mydestination参数非常重要，因为只有当发来的邮件的收件人地址与该参数值相匹配时，Postfix才会将该邮件接收下来。通过该选项的设置可以过滤掉许多没有经过认证和授权的邮件，从而节省服务器的存储空间，以及节省用户的邮件处理时间。
mydestination = nick-ubuntu-server, localhost.localdomain, youdomain.com
 
relayhost = localhost
relay_domains = nick.txtcc.com
 
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all inet_protocols = all home_mailbox = Mailbox
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cat /etc/postfix/client_checks
127.0.0.1 OK
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postmap /etc/postfix/client_checks && /etc/init.d/postfix restart