when there is an error on the site i am notifyed via email and the user see an custom error message .... in the last few days i have received over 3000 enmail with same error message.
as follow
Invalid viewstate. Client IP: 92.244.107.70 Port: 4436 User-Agent: Mozilla/4.0 (compatible; Synapse) ViewState
i also have ValidateRequest="true" enableviewstate="true" ViewStateEncryptionMode="Always" on each page.
could plese help with what might be the or what i should do