yeah. Jason got what I want to do. I want to click and type-edit the
from address shud i choose to. The tweaked email is a valid one and
hence it shud not be a problem with the outgoing email server.
Ofcourse if spammers understand my trick and if they start parsing
email addresses and if they reduce [EMAIL PROTECTED] to
[EMAIL PROTECTED] my approach is doomed.
are there some nonce-based spam filters? i give a nonce to you.
your message passes thru my spam filter only if you have the nonce or
solve some hard problem. ideas?
sudhakar.
On Wed, 2004-03-31 at 10:20, Brad Warkentin wrote:
> Jason A Miller wrote:
>
> > My apologies. I didn't mean to sound quite that confrontational there.
> > What I was merely trying to point out is that, if there were a way to
> > simply click a text dialog and type in a From: address, it would be very
> > easy to make one's self look like anybody ([EMAIL PROTECTED],
> > [EMAIL PROTECTED], etc.).
>
> Which, as others have pointed out is _trivial_ to do. Unless your mail
> server has implemented extra rules defining/verifying/controlling email
> address (ie lots of sites will not send mail with tweaked headers that
> are not valid user email addresses), you can hack them to your hearts
> content. As long as they are syntactically valid the mailer will happily
> send them. The only issue is how easy is it to do so inside of
> Evolution.
>
> For the different address for different lists problem the easy to
> implement but annoying to use approach is to define a bunch of addresses
> and manually change the from line, the harder to implement but easy to
> use way would be to write a header tweaker. I would configure it to send
> my mail through a Perl filter that tweaks based on destination for the
> mailing list problem (but I tend to see Perl as my hammer for most
> problems... :-)
>
> cheers,
> brad
--
Sudhakar Govindavajhala Department of Computer Science
Graduate Student, Princeton University
Ph : (c) +1 609 273 8407 (o) +1 609 258 1763
+1 609 258 1798
http://www.cs.princeton.edu/~sudhakar
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