Federico Sevilla III
> On Wed, 20 Feb 2002 at 22:51, [EMAIL PROTECTED] wrote:
>> we would like to know where to insert the "anonymizer" program in
>> sendmail so that the sender's address will appear as anonymous? (this
>> anonymizer is for a thesis project not as a spammer thing & not
>> intended to create havoc to anybody) also, what parameter or variable
>> holds the user name (as logged by the user in linux)? which part of
>> sendmail is it declared?
>
> Allen, you will not get any further by posting and reposting your
> damned question. Really.
>
> I wonder: do you actually UNDERSTAND the ultimate basics of how MTAs
> like Sendmail actually work to begin with? And do you understand how
> email is formatted, and consequently, how a sender can be "traced"?
>
> I've asked this before, but I ask it again in the hopes that you will
> realize this time around why finding an answer to these questions are
> important.
>
> Do you intend to anonymize all email? Or only email sent by some
> locally logged on user?
>
> Here's why I ask:
>
> - if you intend to anonymize all email, you can do a "shotgun" approach
> by doing a regular expression search for the From, Sender, and X-Sender
> headers. Like I suggested, you may want to check out the Mailman
> information so that you know where to "insert" your anonymizer.
>
> - this is a "shotgun" approach because mail agents can decide to put
> information in various headers. Squirrelmail, for example, creates a
> received header specifying who the authenticated sender was.
>
> - if you intend to anonymize mail sent locally, you can create a
> customized user agent, instead (ala mailtools, mailx). This can create
> bogus values for the MAIL FROM command and the From header (or can
> ommit the From header).
>
> Furthermore, if you will anonymize all email (perhaps with a matching
> @host.dom.ain) then you must know that Sendmail will -NOT- run as the
> "sender" local user (which may not exist if mail is coming from a
> non-local sender using you as a relay). It will run either as some
> unprivileged user or perhaps as root (ugh). So you see, even if you had
> access to the LOGNAME environment variable, this would NOT reflect the
> user you want to mask.
>
> On the other hand if you will just anonymize locally sent mail, your
> MUA will be run as the user you want to mask. But you see, you do not
> need to do regular expression replace anymore because you can control
> what information is sent. For example, you can specify that the MAIL
> FROM header sent is already some preset bogus user, and you can make
> sure that the From is your bogus email address.
>
> If there are points you cannot understand, please, quote the part of
> the message discussing that and ask from there (ie: build on instead of
> start from scratch). It's terribly frustrating to go through mail with
> that deja vu feeling, as if my previous thought-out answer (or leading
> questions) meant absolutely nothing.
>
> --> Jijo
>
> --
> Federico Sevilla III :: [EMAIL PROTECTED]
> Network Administrator :: The Leather Collection, Inc.
> GnuPG Key: http://jijo.leathercollection.ph/jijo.gpg
>
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mga angels or mga power puff girls, stop asking that questions again
k, tingnan ko na lang kung hanggang saan ang kaya ko gawin sa project nyo.
I hope that i can gather more about this things pasensiya na kayo kagabi
wala ako medyo masama lang ang pakiramdam ko. Sir Jijo, I hope you give
them a better ideas, just like i wrote a while a back that this are not
like us, or new-babies in PLUG, kumbaga fetus pa lang to sila na wala pa
masyado alam...
Thanks again Sir.....
oninz <--{^0^}
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