Outlook.com SMTP server settings are needed to set up your Outlook.com account in an email client on your smartphone, tablet, or other computer. SMTP settings provide instructions to the email program on how to send email from your Outlook.com account.

SMTP is an abbreviation for Simple Mail Transfer Protocol and is an Internet standard for sending and receiving email messages. However, most mail clients only use SMTP to send messages.

When you set up an email client, the SMTP server settings tell the program where to send your outgoing email, what authorization information is needed for the transaction, and what type of security is required when connecting.

When you set up Outlook.com in an email client, you may be prompted to enter SMTP server settings. Use these settings: