SMTP
VRFY
#
# Server-side
553-Ambiguous; Possibilities are:
553-Joe Smith
553-Harry Smith
553 Melvin Smith
#
# Client-side
smtp
SMTP ambiguous VRFY
smtp://%HOSTIP:%SMTPPORT/%TESTNUMBER --mail-rcpt smith
#
# Verify data after the test has been "shot"
EHLO %TESTNUMBER
VRFY smith
QUIT