smtp_tls_security_level = may smtp_tls_note_starttls_offer = yes smtpd_tls_received_header = yes 如果您希望强制使用TLS加密,请将smtp_tls_security_level和smtpd_tls_security_level设置为encrypt。 配置SMTP认证为了安全起见,建议启用SMTP认证。以下是一个使用Postfix作为邮件传输代理并启用SMTP认证的示例配置:...
smtp_tls_security_level (empty) The default SMTP TLS security level for the Postfix SMTP client; when a non-empty value is specified, this overrides the obsolete parameters smtp_use_tls, smtp_enforce_tls, and smtp_tls_enforce_peername. smtp_sasl_tls_security_options ($smtp_sasl_security_...
POSTFIX_smtp_tls_security_level = Relay host TLS connection level XOAUTH2_CLIENT_ID = OAuth2 client id used when configured as a relayhost. XOAUTH2_SECRET = OAuth2 secret used when configured as a relayhost. XOAUTH2_INITIAL_ACCESS_TOKEN = Initial OAuth2 access token. XOAUTH2_INITIAL_REF...
smtpd_tls_CAfile=/etc/pki/myca/cacert.pem# smtpd_tls_security_level = encrypt# 表示强制使用TLS加密,不建议,会导致丢失courier-authlib认证smtpd_tls_security_level=may smtpd_tls_received_header=yes smtpd_enforce_tls=yes smtpd_tls_loglevel=2# Postfix作为SMTP客户端的TLS配置smtp_use_tls=yes smtp_t...
相互TLS 身份验证 基本身份验证 仅在启动 TLS 之后使用基本身份验证 Exchange Server 身份验证 集成Windows 身份验证 外部安全 在Exchange 管理控制台中,可以在接收连接器属性页的“身份验证”选项卡上为入站连接设置接受的身份验证方法。 在Exchange 命令行管理程序中,通过在 Set-Receive...
TLS is one of the standard ways that computers on the internet transmit information over an encrypted channel. In general, when one computer connects to another computer and uses TLS, the following happens: Computer A connects to Computer B (no security) Computer B says “Hello” (no security...
A free & open modern, fast email client with user-friendly encryption and privacy features search-engine security tags pgp smtp-client imap-client e-mail Updated Nov 1, 2023 Python jstedfast / MailKit Sponsor Star 6.3k Code Issues Pull requests Discussions A cross-platform .NET library ...
Google level of Security Google is known for its sophisticated security implementations, and this also applies to your Gmail service. You can use their SMTP service over two secure ports – 465 and 578. Port 465 is secured via SSL (Secure Sockets Layer), and 578 works over TLS (Transport...
450 4.4.317 Cannot connect to remote server [Message=UntrustedRoot] 在TLS 握手期间,Exchange Online 无法验证远程电子邮件服务器在没有完整证书链的情况下发送的叶证书的真实性。 有关详细信息,请参阅修复NDR 错误代码 450 4.4.317“无法连接到远程服务器 [M...
Make sure to permit egress through port 587 in your ACL and security group. Using TLS Wrapper Copy to clipboard gitlab_rails['smtp_enable'] = true gitlab_rails['smtp_address'] = "email-smtp.region-1.amazonaws.com" gitlab_rails['smtp_port'] = 465 gitlab_rails['smtp_user_name'] ...