Outlook is one of the most preferred email clients owing to its vast database. It has become popular due to its exciting features and exceptional services.
Despite being a popular email client technical glitches can occur. ‘Error 503: valid RCPT command must precede data’ is a common error faced by several users while trying to send an email. This error indicates that the SMPT connection is not properly authenticated by the email server.
If you are also getting the same error and unaware of how to get rid of this error, you can have a quick look at the guide discussed below. Here, you will get the effective hacks through which you can troubleshoot this error in minutes. So, let’s begin.
In this section, we are going to present two common ways to fix this error. You can have a look at the methods explained below:
When you open the Outlook mail, it starts to check the email automatically. But, if you are receiving the error 503 while trying to send an email, right after 30 minutes from opening the Outlook, then you need to check the new messages.
Then, try to resend the emails and check if the error is resolved. Else, you can perform the next procedure stated below.
As we mentioned above, the error ‘503 valid rcpt command must precede data’ may occur due to the misconfigured SMTP authentication. Usually, to configure the SMTP authentication of the email client, you need to edit the SMTP settings of the email account.
You can do this easily by adding the email ID and password with the SMTP settings. Here are the steps you can perform to do this:
Now, you can try to send an email to check if the issue is resolved.
If the above procedures fail to eliminate this error from Outlook mail, you can perform the hacks as follows:
After performing the above steps, you can check if the error is fixed.
In the above discussion, we have provided effective ways that can help you to solve this error. Both methods are quite easy to apply. We hope, the additional hacks will definitely assist you to put an end to this error. Furthermore, you can also share your valuable feedback in the comment section given at the end of this post.