Error code updating xbox
To learn more on your registry cleaner software go to the site as resource chassis.
It’s annoying, but if it’s backscatter, your account hasn't been hijacked.
To resolve this problem, do the following: , and you can ignore it.
Here's what backscatter is: Spammers often falsify the From address of spam by using email addresses they’ve collected from the Internet instead of their own address.
Their rule could have tried to send a copy of your message to a bad email address.
If the person does have such a rule, they will have to either correct the email address or remove the rule in order to prevent NDR 5.1.x errors.