i am trying to send an email to the salesforce email ID. i get an email which bounces back saying fail to deliver the message. In the failure email i get the message:  
The apex class Messaging.EmailToSalesforceHandler failed due to: System.UnexpectedException: System.LimitException: Too many DML rows: 10001.
i am not retrieving any records or using any batch apex or scheduled classes.
Anyone can help ? why i am getting this issue.