Article ID: 2483175 - View products that this article applies to.
When you attempt to send email from Outlook using a POP3 or IMAP account, you receive the following error messsage:
The error described in the Symptoms section can occur if your Outlook email account is not configured to log on to the incoming server before sending mail, but your Internet Service Provider (ISP) requires you to authenticate before sending email via SMTP.
Other conditions not described in this article may also result in the same error.
You can use Outlook to repair your email account or enable the Log on to incoming server before sending mail option for your email account.
For more information about repairing or configuring your Outlook email account, click the following article number to view the article in the Microsoft Knowledge Base:
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.