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  1. How to send SMTP emails ? - Microsoft Q&A

    Aug 14, 2025 · This article describes how to use SMTP and OAuth to send emails to Email Communication Services. Set up SMTP authentication for sending emails - An Azure Communication …

  2. Enable or disable SMTP AUTH in Exchange Online

    Jan 22, 2024 · The SMTP AUTH protocol is used for SMTP client email submissions, typically on TCP port 587. SMTP AUTH supports modern authentication (Modern Auth) through OAuth in addition to …

  3. How can I use SMTP to send emails through Microsoft 365?

    May 6, 2024 · To use SMTP to send emails through Microsoft 365, you need to configure SMTP client submission. Regarding your question about licensing, you need to have a valid license assigned to …

  4. SMTP - Connectors | Microsoft Learn

    SMTP (Simple Mail Transfer Protocol) is an internet standard for email supported by most email processing servers. Connect to SMTP to send email. This connector is available in the following …

  5. Exchange Online - SMTP Relay for Onpremise Systems

    Nov 25, 2024 · With the imminent retirement of legacy SMTP protocols, including SMTP authentication, you will need to look for alternative ways to enable your on-premises systems to continue sending …

  6. Configure authenticated SMTP settings for POP3 and IMAP4 clients in ...

    Apr 3, 2025 · Summary: Learn how to configure the authenticated SMTP settings on an Exchange server 2016 or 2019 that are required by POP3 or IMAP4 clients to send email messages.

  7. How to set up a multifunction device or application to send email …

    SMTP relay: Send email as an email server through Microsoft 365 or Office 365. The connection is authenticated using an inbound connector. Direct Send: Send unauthenticated email as an external …

  8. Send email with SMTP and XOAuth2 using .NET

    May 29, 2025 · This article describes how to use SMTP and OAuth to send emails to Email Communication Services.

  9. Set up SMTP authentication for sending emails - An Azure …

    May 8, 2025 · This article describes how to use a service principal to create authentication credentials for sending emails using Simple Mail Transfer Protocol (SMTP).

  10. What is my Outlook SMTP username and password?

    Apr 18, 2023 · Therefore, SMTP User ID refers your email address (mailbox), and SMTP Password refers your email address (mailbox) password that you are using for signing into your account.