Spamming In Any Facebook Group Using Any Facebook Profile - Bug Reported

This time its again facebook. A new group spamming attack is here which we are going to share. Also we shall tell you how to be safe from such attacks. Its a common Hack using which you can post at any group using any other facebook profile. You may think that you have to know about his/her password, No, Thats wrong. A spammer needs these things as necessary.

1. Victim's Facebook Email Id
2. Group Email Id (Where he wants to spam)

Note: Be responsible Facebook User and don't use this to tease anyone. We are sharing this so that you may secure your groups. Or else you may not be able to figure out what the hell is going on with your groups. 

1) Now, If spammer wants to post in any group (New Facebook Group) then he pulls out the admin email id or the one who is allowed to post there.

2) Group email id, Using which he will post VIA email.

3) A fake email sender script. Or service. 

How to be secure:
This bug has been reported to facebook. They are working at it. 

(Update: Facebook has patched the bug.)

First Safety Measure:
But now what you can do is , Don't apply for group email id and don't get it, as it is not useful from any aspect.
Second Option for safety:
Also Go to to Account>> Privacy Settings>> Customize Setting>>
Navigate at the end of page, And hide your email id from every friend. Like below:

Now, No one can see your facebook email id to do spam in your groups.