Reset password errors in Laravel

I'm using laravel 5.4 and I'm getting this error when I try to reset password. Users are insert in users table.

Swift_TransportException Expected response code 250 but got code "530", with message "530 5.7.0 Must issue a STARTTLS command first. 32sm4010661wrm.14 - gsmtp "

In .env file I configure like this:

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_USERNAME=myemail@gmail.com
MAIL_PASSWORD=mypassword
MAIL_ENCRYPTION=tsl