$sent = Mail::to('correo@correo.es')->send(new ContactMail($name, $email, $phone, $msg));

MAIL_DRIVER=smtp
MAIL_HOST=smtp.dominio.com
MAIL_PORT=587
MAIL_USERNAME=no_reply@correo.es
MAIL_PASSWORD=password
MAIL_ENCRYPTION=tls

<h3>Contacto Web</h3>
<br>
<br>
<b>Nombre:</b> {{$name}}
<br>
<b>Email:</b> {{$email}}
<br>
<b>Teléfono:</b> {{$phone}}
<br>
<b>Mensaje:</b> {{$msg}}