For example but not limited to messages that carry in their titles specific names do not match with the name of the speaker in the message body can be consideredmisleading message is unwanted and is transferred to the Fund spam and when you open the message in the folder spam you will see why move it to this folder, even if this is fun, the Google has not done so for fun and as they offer the user this way to trackspam and ways to avoid them and even disadvantages. According to the official Googleblog, many of those who send spam are trying to more or less access to user information, and Google this step comes in the context of awareness of users about the risks they may face in case of opening these messages.
Source: Russia Today