smtpd_tls_key_file=/etc/pki/tls/private/key.pem # mail.example.com 证书私钥文件位置,需要修改 smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_protocols = TLSv1.2, TLSv1.1, !TLSv1,...
如果还需要postfix支持TLS加密传输,则配置参数可调整为: make makefiles \ >‘CCARGS=-DHAS_MYSQL -I/usr/local/mysql/include/mysql \ > -DUSE_SASL_AUTH \ >-DUSE_TLS\ > -DUSE_CYRUS_SASL -I/usr/include/sasl’ \ >‘AUXLIBS=-L/usr/local/mysql/lib/mysql -lmysqlclient -lz -lm \ > -...
smtpd_tls_key_file = /etc/pki/tls/privte/postfix.com.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_tls_sercurity_level = may smtpd_tls_protocols = !SSLv2, ...
后来出现了smtp,smtp具有路由功能,可以依据邮件的目的地址来通过邮件中继器进行转发后最终到达目的地址。 发邮件过程: 1、首先需要客户端之间要有邮件服务器,邮件服务器就是类似@163.com这个域空间的邮件服务器,在dns服务器上通过mx来进行配置。 2、客户端发送一封署名为jerry@a.org收件人的邮件,邮件客户端将邮件...
postfix_smtp_tls_protocols[optional]: TLS protocols that the Postfix SMTP client will use with opportunistic TLS encryption (see) postfix_smtpd_tls_mandatory_ciphers[optional]: The minimum TLS cipher grade that the Postfix SMTP server will use with mandatory TLS encryption. (see) ...
smtp_tls_security_level = encrypt smtp_tls_wrappermode = yes smtp_generic_maps = hash:/etc/postfix/generic 修改如下：inet_protocols = ipv4 重启服务 systemctl restart postfix 测试发送，如有问题请检查log 主要报错：1 status=deferred (delivery temporarily suspended: lost connection with ...
安全传输层协议(TLS)用于在两个通信应用程序之间提供保密性和数据完整性。 smtp_use_tls = yes smtpd_use_tls = yes smtp_tls_note_starttls_offer = yes smtpd_tls_CAfile = /etc/postfix/smtpd.pem smtpd_tls_cert_file = /etc/postfix/smtpd.pem ...
smtp_tls_wrappermode = yes smtp_generic_maps = hash:/etc/postfix/generic 修改如下: inet_protocols = ipv4 #重启服务 systemctl restart postfix 测试发送,如有问题请检查log 主要报错: 1 status=deferred (delivery temporarily suspended: lost connection with smtp.163点抗 [220.181.12.12] while receiving...
smtp_tls_protocols = !SSLv2 smtp_tls_scert_verifydepth = 9 smtp_tls_secure_cert_match = nexthop, dot-nexthop smtp_tls_security_level = smtp_tls_session_cache_database = smtp_tls_session_cache_timeout = 3600s smtp_tls_verify_cert_match = hostname ...
SMTP :(Simple Mail Transmission Protocol)简单邮件传输协议 ,监听tcp 25号端口。 POP3 :(Post Office Protocol) 邮局协议 ,监听tcp 110端口。 IMAP4:(Internet Mail Access Protocol) 互联网邮件访问协议,监听tcp 143端口。 MIME:(Multipurpose Internet Mail Extensions)多用途、多功能互联网邮件扩展:以文本的方式...