Why Is My Server Rejecting My Email? Common Causes and Solutions

Learn why your server might reject your email and how to fix SMTP, invalid addresses, and spam-related issues quickly.

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Server rejection of your email could be due to several reasons such as failing SMTP authentication, sending to invalid email addresses, or being flagged as spam. Check your SMTP settings, verify recipient addresses, and ensure your email content adheres to spam-filtering guidelines to troubleshoot the issue effectively.

FAQs & Answers

  1. What causes my email to be rejected by the server? Emails can be rejected due to incorrect SMTP authentication, invalid recipient addresses, or content triggering spam filters.
  2. How can I verify if SMTP settings are correct? Check your email client or server configuration for the correct SMTP server address, port, username, and password to ensure proper authentication.
  3. Why does my email get flagged as spam? Emails may be flagged as spam due to suspicious content, lack of proper authentication like SPF/DKIM, or sending to unverified addresses.

Watch More

For more insights on improving your email deliverability and troubleshooting common sending errors, check out our guides on setting up SMTP servers and avoiding spam filters.

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