On Wed, 24 Sep 2003, Mark Coleman wrote: > TELNET YYAAHHOO.COM 25 > > 220 sitefinder.verisign.com VeriSign mail rejector (Postfix) > mail from:source@yahoo.com > 250 Ok > rcpt to:user@yyaahhoo.com > 550 <unknown[198.252.172.254]>: Client host rejected: The domain you are > trying > to send mail to does not exist. > > They could (AND SHOULD) REJECT from the initial connection, but instead > ALLOW the TO and FROM fields of the SMTP negotiation to happen. Moreover, they're still working on this SMTP server. Just one week ago, they were running another Postfix-like MTA, with completely different behaviour: root@anarch0:~# telnet kjashfjhshghgfddg.com 25 Trying 64.94.110.11... Connected to kjashfjhshghgfddg.com. Escape character is '^]'. 220 snubby1-wcwest Snubby Mail Rejector Daemon v1.3 ready helo foo 250 OK mail from:test@test.com 250 OK rcpt to:nospam@0xdeadbeef.info 250 OK data 221 snubby1-wcwest Snubby Mail Rejector Daemon v1.3 closing transmission channelConnection closed by foreign host. What if Verisign is planning to open more similar TCP/IP services on that host? What if they're going to further modify the existing ones, to better invade individuals' privacy? :raptor -- Marco Ivaldi Antifork Research, Inc. http://0xdeadbeef.info/ 3B05 C9C5 A2DE C3D7 4233 0394 EF85 2008 DBFD B707
