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For the more secure SMTPS (SMTP over SSL), the default port is 587. For SMTP the standard port for unencrypted (insecure) communication is 25, but I don’t recommend using that. If you don't see yours listed here, ask your email provider to give them to you.Īdd your other email accounts to Ĭonnect email accounts in Outlook on the web (Microsoft 365) The most common issue that causes problems sending email is an incorrect port number.
Here's a list of those settings for several email providers. You'll need your email provider's incoming server settings (POP or IMAP) and outgoing server settings (SMTP). If you want to manually add another email account to Outlook, you may need to use advanced setup. You can use Outlook to read and send mail from Yahoo, Gmail, Hotmail, and other email accounts.
