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For a long time I've wanted to set up a remailer that instead of just re-mailing the input mail would telnet to port 25 on a specified machine and spoof the headers exactly like you tell it to, or that would anon-ftp upload the "mail" message to a specified site, or that would continualy check a local (or remote) ftp directory for filenames that match a certain wildcard, processing them as inbound mail... I can think of a couple of situations under which having a mailer pick up off a newsgroup would be very usefull... send a pgp encrypted, nested message through a chain of four remailers... one is a standard-ish remailer which peels off the first layer of encryption and posts your message to a certain newsgroup. The second one, whos address remains a mystery, spoofs or remails the message it found in the newsgroup to a different newsgroup, where it is again picked up and decrypted by the third remailer, which uploads it to an ftp site watched by the fourth, again anonymous remailer, who picks it up and remails it to the recipient. It may all be an excercise in futility, I'm not an expert on that kinda thing, but it sure /seems/ more secure to me...
Here's a script that you might want to use as a base: (echo helo;echo mail from:\<`logname`@`hostname`.`domainname`\>;echo rcpt to:\<$1\>;echo data echo X-Info-1: This message was sent using fastmail 0.1 - contact ecarp@netcom.com echo X-Info-2: for more information. Copyright 1994 by Ed Carp. cat echo .;echo quit)|telnet `echo $1|cut -f2 -d@` 25 - -- Ed Carp, N7EKG Ed.Carp@linux.org, ecarp@netcom.com Finger ecarp@netcom.com for PGP 2.5 public key an88744@anon.penet.fi ** PGP encrypted email preferred! ** "What's the use of distant travel if only to discover - you're homeless in your heart." --Basia, "Yearning" -----BEGIN PGP SIGNATURE----- Version: 2.6 iQCVAwUBLtn5dCS9AwzY9LDxAQELNwP/TeP9GvonQOsDPiKb7dJKtG1Uj3puVEpu fXwGYl0g+q+ZfdeBUwE0NfkZMK7L453/3oNevB2JbLFzypF+bAgZJeDlFHZgLs1B Dq8SgMAyvtQztlSEZ6tKIWNiIVSmfNFHbyS4/QsLitkRJywWRN8UJE1/3KUNQ3hy 2vFmIjRLbxA= =zA4H -----END PGP SIGNATURE-----