What Is Causing This Error?
SMTP Error 449 indicates that the Microsoft email server has requested a retry of the operation. This is typically due to temporary server issues, like maintenance or overload, or certain conditions for the operation not being met at the time of the request.
Resolving the Error – Solution
For SMTP Error 449, it’s best to wait a while before trying your request again, as the issue is often temporary and can be resolved on its own.
Make sure there are no reported maintenance activities or issues and that your email request meets all the server requirements, such as authentication and message formatting standards.
For WordPress users encountering this issue, configuring your site’s email delivery settings with Easy WP SMTP is advisable. This plugin offers dedicated options for establishing email connectivity through Microsoft Outlook, providing a streamlined approach to ensure emails are sent successfully and SMTP errors like the 449 code are avoided.
That’s it! Now you know the common causes of SMTP error 449 and how to resolve it.
If you’d like to learn how to troubleshoot other common errors, check out the following docs: