Bryan Costales, Claus Assmann, George Jansen, Gregory Shapiro
"sendmail, 4th Edition"
us.edu> SIZE=4537
250 2.1.0
... Sender ok
>>> RCPT To:
250 2.1.5 ... Recipient ok
>>> DATA
354 Enter mail, end with "." on a line by itself
>>> .
250 2.0.0 d9L29Nj20475 Message accepted for delivery
you@remote.domain... Sent (d9L29Nj20475 Message accepted for delivery)
Closing connection to remote.domain
>>> QUIT
221 remote.domain closing connection
The lines that begin with numbers and the lines that begin with >>> characters constitute
a record of the SMTP conversation. We??™ll discuss those shortly. The other
lines are sendmail on your local machine telling you what it is trying to do and what
it has successfully done:
you@remote.domain... Connecting to remote.domain via smtp...
...
you@remote.domain... Sent (d9L29Nj20475 Message accepted for delivery)
Closing connection to remote.domain
The first line shows to whom the mail is addressed and that the machine
remote.domain is on the network. The last two lines show that the mail message was
successfully sent.
In the SMTP conversation, your local machine displays what it is saying to the
remote host by preceding each line with >>> characters. The messages (replies) from
the remote machine are displayed with leading numbers. We now explain that
conversation.
220 remote.Domain ESMTP Sendmail 8.14.1/8.14.1 ready at Fri, 14 Dec 2007 06:36:12 -
0800
Once your sendmail has connected to the remote machine, your sendmail waits for
the other machine to initiate the conversation.
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