mrtg config file

Abhishek Gupta <[email protected]> Wed, 17 Dec 2008 17:18:17 -0500
Newsgroups gmane.network.mrtg.devel
Message-ID <[email protected]>
Hi all,
Could someone please explain me what "[email protected]" is in 
cfgmaker command? I am not very clear about the term community in it.
Thanks,
Abhi.