How to create a account and how to send secure mail in development env
First open link to create a account in mailtrap https://mailtrap.io/

Now chose the method you want to create account

Finish the process that is needed and your account is now ready !
To Send Email you will need SMTP Credentials You can see under the SMTP/POP3 there is a show “Credentials button”

Add this in your .env file or in your config and you should be good.
How to test if this key is working ( NOT Recommended but if things don’t work this is helpful for debugging)
https://www.smtper.net/ and enter your credentials and click on send. If everything is good then it will say it’s working.