Open your Kali Linux terminal and Type xhydra and press enter
You can also do this manually. First Open Your Kali Linux and Follow this path
Kali Linux->Passwords Attacks->Online Attacks->Hydra
In the target tab, select
Single Target: smtp.gmail.com
Protocol: smtp
In passwords tab, select
Username: Type Victim Email ID
In the passwords, select the password list option and browse to select your
Passwords file. Here I have used my custom password file.
Now select start tab and click on start button, the password cracking begins and result is as follows
