503 Valid RCPT command must precede DATA

If you are trying to send email from Outlook and get below error:

503 valid RCPT command must precede DATA

So you need to follow below steps to fix this error.

1.  Open outlook

2. Go to Tools/Email Accounts

3. Select the Account and click Change

4. Click on More Settings

Screenshot_79

5. Click on Outgoing Server Tab

6. Click “Outgoing Mail Server (SMTP) requires authentication” and make sure “Use same settings as incoming   mailserver” is selected.

Screenshot_80

Now try  to sending an email in Outlook using the domain account.

You may also like...

Leave a Reply

Your email address will not be published. Required fields are marked *