Feedback Loop Control unauthenticated mail from your domain Monitor outgoing email with Postmaster Tools Gmail SMTP errors and codes

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 …

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 …

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 …

1. Seçenek: SMTP geçişiyle e-posta gönderme (önerilir) Cihazlardan veya uygulamalardan e-posta göndermek için SMTP geçiş hizmetini kullanmanızı öneririz. SMTP geçiş hizmeti, IP …

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 …

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 …

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 …

Internet connection: You might not be connected to the internet, or you might have a weak or dropped connection. Gmail requires a stable connection to a mail server to send emails. …

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.