There is no precise reason for this mistake when it comes to its source or cause. This problem has been explained in a variety of ways by Microsoft Outlook users. It's tough to determine the exact cause of the issue. When you can't figure out what's causing the issue, the best thing you can do is try a variety of solutions until you find one that works.

One of the most common explanations or causes of this problem is an SMTP server conflict. When a disagreement emerges between the Microsoft Outlook account used to log in to the application and the account used to log in to the application, this issue occurs. The closest impact of the [pii_email_dfe907e4982308153863] problem is to prevent users from sending emails.
Any fault that can lead to corruption is another cause of the problem. It isn't necessary to discover out what triggered the problem. What makes a difference is tracking the final solution or solution to the problem.