The most intractable cases can be dealt by reporting the abusive message to hash-sharing systems[2] like, for example, Vipul's Razor for the benefit of other victims.
Email spam legislation varies by country, forbidding abusive behavior to some extent, and in some other cases it may be worth prosecuting spammers and claiming damages.
On the other hand, mailbox providers can prevent further messages from non-cooperative senders of abusive content.
Choices include the following:[6] The first three methods provide for full email addresses to send reports to.
When no specific tools are available, receivers have to report abuse by hand; that is, they forward the spammy message as an attachment—so as to include the whole header—and send it to the chosen authority.