SMTPサーバ:mail.test_server.com
ホスト名:client.test_server.com
送信者:sender@test_server.com
受信者:reciever@test_server.com
件名:Test Mail
本文:This is test mail.
コマンドは以下の通り。
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telnet smtp.testmail.com 25
helo client.test_server.com
mail from:<sender@test_server.com>
rcpt to:<reciever@test_server.com>
data
from:sender@test_server.com
to:reciever@test_server.com
subject: Test Mail
This is test mail.
.
quit
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