Wednesday, 1 November 2017

SMTP Enumeration

SMTP Enumeration
# Scan for open port 25
nmap -sT -p 25 --open a.a.a.a-b


# Connect to an SMTP server
nc -nv a.a.a.a 25
220 ... server details
# Verify that a user exists.
> VRFY ******
250 ... ******


where a.a.a.a-b is an ip range such as 192.168.1.100-150

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