git clone https://github.com/elceef/dnstwist.git
cd dnstwist
pip install .
# usage, find domains
dnstwist $domain
Find person to impersonate
smtp-user-enum -U /usr/share/seclists/Usernames/top-usernames-shortlist.txt "10.129.87.12" "25" -m RCPT
smtp-user-enum -U ./test-users.txt "10.129.87.12" "25" -m RCPT