SMTP
#
# Server-side
#
# Client-side
smtp
SMTP without --mail-from
From: different
To: another
body
smtp://%HOSTIP:%SMTPPORT/user --mail-rcpt 915@example.com -T -
#
# Verify data after the test has been "shot"
EHLO user
MAIL FROM:<>
RCPT TO:<915@example.com>
DATA
QUIT
From: different
To: another
body
.