R:220 localhost.localdomain ESMTP Sendmail 8.13.1/8.13.1; Fri, 21 Jan 2005 23:38:11 -0700
S:HELO localhost.localdomain
R:250 localhost.localdomain Hello localhost.localdomain [127.0.0.1], pleased to meet you
S:MAIL FROM:marek@localhost
R:250 2.1.0 marek@localhost... Sender ok
S:RCPT TO:root@localhost
R:250 2.1.5 root@localhost... Recipient ok
S:DATA
R:354 Enter mail, end with "." on a line by itself
S:.
R:250 2.0.0 j0M6cBjt012063 Message accepted for delivery
S:QUIT
R:221 2.0.0 localhost.localdomain closing connection