Email shortly after, that you have returned the Email in English or not?
This is normally done when no mail delivery for some reason, coming from the server
Notification unsatisfied. The reason most commonly,
1. I change my email address
2. Uppercase characters if it contains an invalid email address
3. If the mailbox has exceeded the capacity of the recipient receiving
4. If you refuse to receive a temporary server
And others. Be done by hand if the number of errors in the delivery process,management also becomes more than several hundred
Requires a huge effort.
In the blaynmail counts the number of errors for each data reader for these errorsreached the set value
Addresses are a standard feature that automatically stop the delivery.