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Microsoft retired the Mail and Calendar app for Windows at the end of 2024.Microsoft retired the Mail and Calendar app for Windows at the end of 2024.Microsoft retired the Mail and Calendar app for Windows at the end of 2024.Microsoft retired the Mail and Calendar app for Windows at the end of 2024.Microsoft retired the Mail and Calendar app for Windows at the end of 2024.
Windows Mail and Calendar is retired. Microsoft recommends switching to New Outlook for Windows.

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SMTP settings

Shared IP plans are only available to customers in Denmark.

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Configure Windows Mail

1

Open account settings

Open the Mail app, click Settings (gear icon), then click Manage accounts.
2

Select your account

Click the email account you want to configure.
3

Open sync settings

Click Change mailbox sync settings.
4

Open advanced settings

Scroll down and click Advanced mailbox settings.
5

Enter the outgoing SMTP details

Fill in the fields:
  • Outgoing (SMTP) email server: your relay hostname followed by the port, e.g. relayxx.mysmtp.com:587
  • Outgoing server requires authentication: check the box
  • Use the same user name and password for sending email: check the box, or enter your mySMTP SMTP username and password
  • Require SSL for outgoing email: check the box
6

Save and test

Click Done, then Save. Send a test email to confirm delivery.

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Troubleshooting

  • Cannot send mail: verify the outgoing server matches the hostname in your setup email.
  • Connection fails: check that the port is 587 and Require SSL is checked. If your network blocks 587, try 2525.
  • Authentication error: re-enter your mySMTP username and password, and confirm Outgoing server requires authentication is checked.
For more error codes, see Common SMTP errors.