503 valid rcpt must precede data error – Outlook – SOLVED

A common problem, a simple solution ?

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Ensure that authentication is enabled for your SMTP server in Outlook – Take the following steps:

Click Tools -> Account Settings -> Select the concerned email account -> Click on ‘Change’ -> Click on ‘More Settings’ -> Click on ‘Outgoing Server’ Tab, and ensure that settings are as seen in the screenshot below:



Cheerio ?