550 Access denied Invalid HELO name

On your outlook express while sending the emails and you get following error.

Cannot send the message. Verify the e-mail address in your account properties. The server responded: 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)

Follow below procedure to solved the issue.

1. Click Tools>Account
2. Select"View or change existing e-mail accounts" and click next
3. Select desire email account and click change
4. Click on "More Settings" at bottom of the page
5. Select on "Outgoing server" tab
6. Check "My outgoing server (SMTP) requires Authentication"
7. Select "use same settings as my incoming email server"
8. Click "Ok"
9. Press Next and Finished

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