Contents
What is the SMTP server for Office 365?
IMAP and SMTP with OAuth2 Server Settings
| Setting | IMAP (incoming) | SMTP (outgoing) |
|---|---|---|
| Server Name | outlook.office365.com | smtp.office365.com |
| Port Number | 993 | 465 or 587 |
| Encryption Method | SSL/TLS | SSL/TLS |
| Authentication Method | OAuth2 | OAuth2 |
How do I setup a relay in Office 365?
How to Set Up an Office 365 SMTP Relay with Connectors
- Create a Non-TLS Connector using the Exchange Admin Center.
- Create a TLS Connector using Exchange Admin Center.
- Create a Non-TLS Connector using PowerShell.
- Create a TLS Connector using PowerShell.
- Testing the Office 365 SMTP Relay Connector with PowerShell.
How do I enable SMTP relay in Office 365?
Expand the current server, right-click the SMTP Virtual Server, and then select Properties. On the General tab, select Advanced > Add. In the IP Address box, specify the address of the server that’s hosting the SMTP server. In the Port box, enter 587 and select OK.
How do I enable the SMTP relay in Office 365?
How do I check my Office 365 SMTP settings?
Find your Exchange mailbox server settings
- Sign in to your account using Outlook Web App.
- In Outlook Web App, on the toolbar, select Settings > Mail > POP and IMAP.
- The POP3, IMAP4, and SMTP server name and other settings you may need to enter are listed on the POP and IMAP settings page.
How do I troubleshoot SMTP relay problems?
Solution
- Check the SMTP server settings. SMTP server address—Check the host name or network address of the SMTP e-mail server.
- Check the SMTP authentication settings. Check whether the e-mail server requires authentication.
- Test SMTP settings by sending a test e-mail. If you are unable to send a test e-mail:
How do I change my SMTP relay?
Configure the SMTP Relay
- From Server Manager, select Tools > Internet Information Services (IIS) 6.0.
- Expand the server under Internet Information Services.
- Right-click SMTP Virtual Server, and select Properties.
- Click the Advanced button under the General tab, then click Add.
- Specify the IP address of the SMTP server.
How to configure a SMTP Relay for Office 365?
Obtain the public (static) IP address that the device or application with send from. A dynamic IP address isn’t supported or allowed.
How to configure a SMTP server?
How to configure an SMTP server Select the voice “Account Settings” in your mail client, generally in the “Tools” menu. Choose the “Outgoing server (SMTP)” voice: Push the “Add…” button in order to set a new SMTP. Now simply fill the voices as follows: Description: an informal name that you will decide to identify the server (best to use the email provider’s, like Gmail or Yahoo).
What is an Office 365 relay?
Office 365 SMTP relay uses a connector to authenticate the mail sent from your device or application. This allows Office 365 to relay those messages to your own mailboxes as well as external recipients. Office 365 SMTP relay is very similar to direct send except that it can send mail to external recipients.