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

This article is for Google Workspace administrators who want to send email from devices or apps in their organization or domain. If you're a Gmail user who wants to send email from a device or app, contact …

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。 …

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.

Gmail's SMTP server is smtp.gmail.com, port 465, SSL. Use your full email address as the username. If your email program supports modern authentication (OAuth2), use that. If not, you will need to get an …

2、Exchange ActiveSync Exchange Server支持SMTP、POP3、IMAP4等多种电子邮件协议，当然我们也设计自己的协议并得到大量厂商的支持，那就是Exchange ActiveSync。 Exchange ActiveSync 是 …

Cet article s'adresse aux administrateurs Google Workspace qui souhaitent envoyer des e-mails à partir d'appareils ou d'applications de leur organisation ou de leur domaine. Si vous êtes un utilisateur …

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 …

About SMTP error messages SMTP is an internet standard used by mail servers to send and receive email. SMTP error messages help you understand why a message wasn't sent successfully. If …

Dit artikel is bedoeld voor Google Workspace-beheerders die e-mails willen sturen vanaf apparaten of apps in hun organisatie of domein. Als u een Gmail-gebruiker bent en e-mails wilt sturen vanaf een …