On 27.08.2012, Reindl Harald wrote: 

> your MTA get a connection and have the IP of the last machine involved
> in mail tzransmission, bit all other received headers before YOOR
> machine are nOT trustable because i can write whatever i want
> and how many received-headers i want and submit the message
> directly to your MTA

You can't supress the Received header which is generated by the
receiving mailserver when you're delivering your mail. All your faked
headers will be beneath this one, because every MTA writes its
Received: on top of the existing one(s), so there is a fine line from the
sender to the receiver which can follows in both ways. 

So unless you are connecting via an anonymizing service as e.g. the tor
network, it will be of little effect to add some fake Received 
headers to hide your ass.

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