Tor-only email

anonym anonym at lavabit.com
Mon May 12 10:50:51 UTC 2008


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On 08/05/08 09:59, Fritz Wuehler wrote:
> The very first thing the smtp client does after establishing a
> connection to the server is to introduce itself: EHLO <hostname>. In
> some cases, this would be the sender's real hostname, even if Tor was
> used. In some cases this would not only be logged but also given to the
> recipient through the Received: header the server added.
> 
> If I wanted to send mail this way, I'd look for a setting in the mail
> client that would make sure it sends a fake hostname, or a plugin or
> local proxy (think Privoxy) that would take care of it. Maybe there are
> other ways.

FYI, I've verified with a packet sniffer that Torbutton (stable branch)
scrubs the IP address/host name in Thunderbird when activated.

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