IP address in each message.

[Lapkov]

But I, for example, IP is dynamic, that is to say every time a new one.
And if I make friends online with someone, I will come again to him, my friend, look, and IP - the other.
He starts to write to me:

- Get out from the forum, give me my Vanka Lapkova, you bastard!

[Valerit]

Сообщение от Grigory

Admins see all aypishniki.
And those who go by different names from the same ip address, we banim.

You can go in, say, team viewer on a computer in another location with a different Ip and the administration does not understand that it is one and the same party.

[Valerit]

So I go to any of your computers with high-speed Internet, if I'm in a place with very poor internet (like the island the "Bounty")

[Балагур]

Сообщение от Mikhalych

If this box had received letters, here so you can find the IP address:

http://www.hackzone.ru/news/view/id/1336/


Also on the IP can be learned about the location.

Not every mail server gives X-Originating-IP, moreover, many are going through a proxy.
This is not the same hackers are sitting.
Maybe there are a couple of <! - ~ 7 ~ ->