SMTP命令：QUIT 这一步非常简单，就是发送一条QUIT命令，QUIT命令发送完毕后，还是要判断服务器的返回码是否为250。 如果返回的不是，则表明发送失败，SMTP服务器可能不会将邮件转发到收件 …

SMTP：用来发邮件的（在RFC上代号2821） IMAP：用来收邮件的（在RFC上代号1730） 还有一个POP3协议，也是用来收邮件的， 是IMAP协议的前身，但支持功能较少，现在基本没用了。 每个协 …

透過 Google 伺服器設定 SMTP 轉發服務的地端部署電子郵件伺服器 如果貴組織使用 Microsoft Exchange 或其他 SMTP 服務或伺服器，您可以設定 SMTP 轉發服務，透過 Google 轉送外寄郵件。 …

You have 3 options for setting up email with a printer, scanner, or app based on what your device or app supports: Option 1: Send email with SMTP relay (recommended) Option 2: Send email with the …

Exchange Server支持多种电子邮件网络协议，如SMTP、POP3、IMAP4。 Exchange Server能够与微软公司的活动目录完美结合。 Exchange Server是个消息与协作系统，Exchange server可以被用来构 …

If your organization uses Microsoft Exchange or another SMTP service or server, you can set up the SMTP relay service to route outgoing mail through Google. You can use it to: Filter messages for …

Le protocole SMTP (Simple Mail Transfer Protocol) est une norme Internet utilisée par les serveurs de messagerie pour envoyer et recevoir des e-mails. Les messages d'erreur SMTP vous aident à …

Reply codes The SMTP reply codes refer to specific parts of the email service, and can indicate issues like: The intended recipient isn't registered with the service. The message was marked as spam or as …

gsmtp (Google SMTP) is added to all errors. gcdp (Google Custom Domain Policies) is added to errors resulting from customized rules created by a Google Workspace administrator.

Para corrigir o erro, configure uma senha de app. Opção 1: enviar e-mail com redirecionamento SMTP (recomendado) Recomendamos o uso do serviço de redirecionamento SMTP para enviar e-mails de …