You have Vagrant and Scotch Box installed. You still need to install Pear.
$ vagrant ssh $ sudo apt-get -y install php-pear $ sudo pear install mail_mime
In your PHP script
include_once('Mail.php'); include_once('Mail/mime.php');
Parameters to define SMTP Scotch Box
$params["host"] = "127.0.0.1"; $params["port"] = 1025; $params["Date"] = date('r',time()); $mail = Mail::factory("smtp",$params); ...
Catch mails in Mailhog at http://192.168.33.10:8025