manifest.json

{
  "manifest_version": 2,

  "name": "Email Intelligence",
  "description": "Email Intelligence displays which email infrastructure provider sent an email to your gmail account.",
  "version": "1.0.6",

  "content_scripts": [
      {
          "matches": ["https://mail.google.com/*"],
          "js": ["content.js"],
          "run_at": "document_end"
      }
  ],

  "web_accessible_resources" : [
    "providers/amazon-ses.png",
    "providers/bronto.png",
    "providers/constant-contact.png",
    "providers/dyn.png",
    "providers/eloqua.png",
    "providers/emailvision.png",
    "providers/emma.png",
    "providers/exacttarget.png",
    "providers/fishbowl.png",
    "providers/gold-lasso.png",
    "providers/google-app-engine.png",
    "providers/icontact.png",
    "providers/listrak.png",
    "providers/locaweb.png",
    "providers/mailchimp.png",
    "providers/mailerlite.png",
    "providers/mailgun.png",
    "providers/mailigen.png",
    "providers/mailjet.png",
    "providers/mandrill.png",
    "providers/marketo.png",
    "providers/messagebus.png",
    "providers/mixmax.png",
    "providers/postmark.png",
    "providers/responsys.png",
    "providers/sailthru.png",
    "providers/salesforce.png",
    "providers/sendgrid.png",
    "providers/silverpop.png",
    "providers/smtp.com.png"
  ],

  "icons": {
    "16": "icons/16x16.png",
    "48": "icons/48x48.png",
    "128": "icons/128x128.png"
  },

  "permissions": [
    "https://mail.google.com/"
  ]
}