Bill Landry: > I'm following a discussion on another list regarding a Communigate > gateway that is rejecting spoofed "MAIL FROM" before "RCPT TO" is > received.
This is perfectly legitimate usage of SMTP. Clients that cannot handle this are broken. Postfix's delayed "reject" works around broken clients, and gives the server's administrator more information about what mail is being rejected. However the delay is not required by SMTP. Wietse