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 …

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 …

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.

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 …

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, …

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 …

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 …

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 …

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 …

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. …