That's because they put your actual address (and those of other victms) in the BCC: field.
telnet localhost 25
Connected to localhost.localdomain.
Escape character is '^]'.
220 localhost.localdomain ESMTP Sendmail 8.13.4/8.13.4/Debian-3sarge1; Tue, 28 Mar 2006 18:46:07 +0100; (No UCE/UBE) logging access from: localhost.localdomain(OK)-localhost.localdomain [127.0.0.1]
250 localhost.localdomain Hello localhost.localdomain [127.0.0.1], pleased to meet you
MAIL FROM: test@localhost
250 2.1.0 test@localhost... Sender ok
RCPT TO: cjll@localhost
250 2.1.5 cjll@localhost... Recipient ok
354 Enter mail, end with "." on a line by itself
To: Fred Bloggs <firstname.lastname@example.org>
From: Leet Haxor <email@example.com>
Subject: This is fun
This haxoring is fun!
250 2.0.0 k2SHk7m8005877 Message accepted for delivery
221 2.0.0 localhost.localdomain closing connection
Connection closed by foreign host.
nelz wrote:Limnits on the lengths of headers mean Bcc: can only be used to send to a fairly small number of addresses, whereas listing then in the SMTP envelope is limited only by the mail server (some have limits to prevent their being used for spam).
Users browsing this forum: No registered users and 1 guest