local USERNAME = '<SMTP USERNAME>'
local PASSWORD = '<SMTP PASSWORD>'
local SERVER = '<SMTP SERVER>'
local RECAPTCHAKEY = '<RECAPTCHA PRIVATE KEY>'
local recaptcha = require 'recaptcha'
local markdown = require 'markdown'
 
if recaptcha.validate(RECAPTCHAKEY, request) then
    html = markdown(request.form.body)
    email.send {
        server = SERVER, username = USERNAME, password = PASSWORD,
        from = 'hello@webscript.io', to = 'hello@webscript.io',
        subject = '[contact form] '..request.form.subject,
        text = request.form.body,
        replyto = request.form.replyto,
        html = html
    }
    return '<p>Sent the following mail:</p>'
            ..'<p>Subject: '..request.form.subject..'</p>'
            ..html,
        {['Content-Type'] = 'text/html'}
else
    return 'Failed CAPTCHA.'
end
Demo Code