[Coco] yahoo groups

Kevin Diggs kevdig at hypersurf.com
Sat Apr 21 01:43:41 EDT 2007

John E. Malmberg wrote:
> Your mail server should be writing a line in the headers that shows the 
>  host name that the sending mail server claimed to be (can be forged), 
> and in parentheses, the rDNS name and the I.P. address of the sender 
> which can not be forged.
> Every other line in the message header is suspect and can be forged.
This is the last received from entry (farthest from your server), right? 
Sometimes I see the phrase "may be forged" in there somewhere. Where 
does that come from?

Could you possibly show an example of what can and cannot be forged?

> -John
> wb8tyw(at)qsl.net

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