On Thu, 18 Sep 2003 15:35:25 EDT, Dean Anderson said:
If you send to more than one recipient, you still only transfer one
message. You've been listening to too many open relay crackpots, instead
of checking into how SMTP works.
From RFC 821 section 2:
When the same message is sent to multiple recipients the SMTP
encourages the transmission of only one copy of the data for all the
recipients at the same destination host.
I don't know of any MTA that doesn't do this.
Right. The point is that the Verisign SMTP responds with a fixed series of
reply codes (220, 250, 250, 550, 221). So let's run that with 3 recipients:
220 snubby4-wceast Snubby Mail Rejector Daemon v1.3 ready
550 User domain does not exist.
221 snubby4-wceast Snubby Mail Rejector Daemon v1.3 closing transmission channel
<Connection closed by foreign host.>
Now what do you do, absent a 3xx reply to your DATA command?
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