What Is Causing This Error?
‘SMTP Error 471’ is triggered when anti-spam filters, antivirus software, or firewalls block an email, often due to spam-like content or strict security settings.
Resolving the Error – Solution
To fix SMTP error 471, ensure your email avoids spam-associated phrases. If the problem persists, temporarily disable your security software to check if it’s causing the block. If so, adjust its settings for fewer restrictions. If the issue is with a remote server, contact your SMTP service provider for assistance.
That’s it! Now you know the common causes of SMTP error 471 and how to resolve it.
If you’d like to learn how to troubleshoot other common errors, check out the following tutorials: