554 error email refused
The infamous "554 error"!
A 554 error is a type of email delivery error that indicates that the recipient's email server has refused to accept the email. The error message is usually accompanied by a brief explanation, such as "554 Transaction failed: Recipient address rejected".
Here are some common reasons why you might receive a 554 error:
- Invalid recipient email address: The email address you're trying to send to is invalid, non-existent, or not properly formatted.
- Recipient's email server is down or experiencing issues: The recipient's email server is temporarily unavailable or experiencing technical difficulties, preventing it from accepting emails.
- Recipient's email account is full or quota exceeded: The recipient's email account has reached its storage limit, and the email you're trying to send is too large to be accepted.
- Recipient's email server is blocking your IP address: The recipient's email server has blocked your IP address due to suspected spamming or other security concerns.
- Email content is flagged as spam: The email content is flagged as spam by the recipient's email server, and it's being rejected as a result.
- Email authentication issues: There's an issue with the email authentication process, such as a missing or incorrect SPF record, DKIM signature, or DMARC policy.
To resolve a 554 error, you can try the following:
- Check the recipient's email address: Verify that the email address you're trying to send to is correct and properly formatted.
- Check the recipient's email server status: Check the status of the recipient's email server to see if it's experiencing any issues.
- Check the email content: Review the email content to ensure it's not flagged as spam and that it complies with the recipient's email policies.
- Check email authentication settings: Verify that your email authentication settings are correct and up-to-date.
- Contact the recipient's email administrator: If none of the above steps resolve the issue, you may need to contact the recipient's email administrator to resolve the issue.