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Re: Hiding one's email source username/hostname/ISP

2021-03-07 10:56:57
David Levine <levinedl@acm.org> writes:
Tom wrote:
Received: lines are generally added by each MTA that the message
passes through.  In this case it was smtp.gmail.com that added that;
it's not under your control.  You can probably modify the "Hikaru"
part, as I believe that just comes from the HELO command your mail
client uses.  I'm not sure which part of the nmh configuration
that comes from, but it can't be too hard to find.

It derives from the (hidden/undocumented) client switch to send(1).
I'll try sending this message with "send -client HiddenHostname".

Ah.  And after digging around a bit, I found this on my own machine:

$ cat /etc/nmh/mts.conf
# nmh mail transport interface customization file.
...
# Name shown in HELO header:
clientname: sss1.sss.pgh.pa.us

which you can match up against the first Received: line in my own
outgoing mails.  So that's probably a better place to configure
it than messing directly with send(1) switches.

                        regards, tom lane

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