diff --git a/Gemfile b/Gemfile
index 05c604a..d5ad53a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,14 +2,14 @@ source 'https://rubygems.org'
 
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.5.3'
+ruby '2.7.2'
 
 gem 'bootsnap', '>= 1.4.2', require: false
 gem 'dotenv'
 gem 'graphql-client'
 gem 'jbuilder', '~> 2.7'
 gem 'pg'
-gem 'puma', '~> 4.3'
+gem 'puma'
 gem 'rack-attack'
 gem 'rails', '~> 6.0.2', '>= 6.0.2.1'
 gem 'sidekiq'
@@ -22,6 +22,9 @@ gem 'webpacker', '~> 4.0'
 # but today is not that day.
 gem 'coffee-rails'
 
+# Transactional email service
+gem 'postmark-rails'
+
 group :development, :test do
   gem 'dotenv-rails'
 	gem 'pry'
diff --git a/Gemfile.lock b/Gemfile.lock
index b053ecb..de571c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,6 +89,7 @@ GEM
       concurrent-ruby (~> 1.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
+    json (2.5.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -110,10 +111,15 @@ GEM
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     pg (1.2.2)
+    postmark (1.21.3)
+      json
+    postmark-rails (0.20.0)
+      actionmailer (>= 3.0.0)
+      postmark (~> 1.15)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    puma (4.3.5)
+    puma (5.1.1)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-attack (6.2.2)
@@ -229,8 +235,9 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
   pg
+  postmark-rails
   pry
-  puma (~> 4.3)
+  puma
   rack-attack
   rails (~> 6.0.2, >= 6.0.2.1)
   rspec-rails
@@ -241,7 +248,7 @@ DEPENDENCIES
   webpacker (~> 4.0)
 
 RUBY VERSION
-   ruby 2.5.3p105
+   ruby 2.7.2p137
 
 BUNDLED WITH
    2.1.4
diff --git a/README.md b/README.md
index 45d919c..9e0ff17 100644
--- a/README.md
+++ b/README.md
@@ -22,11 +22,25 @@ Challenge OSS maintainers to re-license with an ethical license so that Palantir
 
 # Local dev
 
-To create junk data, run `bin/rake defaults:sample_data`
+## Setup
+
+`bundle`
+
+`bundle exec rails db:create`
+
+`bundle exec rails db:schema:load`
+
+`cp .env.example .env`
+
+## Seed data
+
+To create junk data, run `bin/rake defaults:junk_data`
+
+## Real Data
 
 To set up your local environment with real data:
 
-* Copy `.env.example` to `.env`
-* Set the `GITHUB_TOKEN` in `.env` to any GitHub token with org and repo read permissions
-* Set defaults: `bin/rake defaults:init`
-* Fetch projects and their dependencies using the background job queue: `bin/rake scheduled_tasks:update
+- Copy `.env.example` to `.env`
+- Set the `GITHUB_TOKEN` in `.env` to any GitHub token with org and repo read permissions
+- Set defaults: `bin/rake defaults:init`
+- Fetch projects and their dependencies using the background job queue: `bin/rake scheduled_tasks:update
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
index 286b223..d7e52af 100644
--- a/app/mailers/application_mailer.rb
+++ b/app/mailers/application_mailer.rb
@@ -1,4 +1,4 @@
 class ApplicationMailer < ActionMailer::Base
-  default from: 'from@example.com'
+  default from: 'notifications@icebreaker.dev'
   layout 'mailer'
 end
diff --git a/app/mailers/hippocratic_alert_mailer.rb b/app/mailers/hippocratic_alert_mailer.rb
new file mode 100644
index 0000000..8cb1e24
--- /dev/null
+++ b/app/mailers/hippocratic_alert_mailer.rb
@@ -0,0 +1,10 @@
+class HippocraticAlertMailer < ApplicationMailer
+  def alert(dependency_name)
+    @dependency_name = dependency_name
+    mail(
+      subject: 'Hippocratic License Alert',
+      to: ENV['ALERT_EMAIL_ADDRESSES'],
+      html_body: "'#{dependency_name}' is using the Hippocratic License!",
+      message_stream: 'notifications')
+  end
+end
diff --git a/app/models/dependency.rb b/app/models/dependency.rb
index 0b549e3..d5de5be 100644
--- a/app/models/dependency.rb
+++ b/app/models/dependency.rb
@@ -11,9 +11,11 @@ class Dependency < ApplicationRecord
 
   def update_with_details
     details = DependencyDetailsFetcher.new(self).fetch
-    license_name = details[:license] || "Unknown"
-    license = License.find_or_create_by(name: license_name)
     self.source_repo_url = details[:url]
-    self.license = license
+    license_name = details[:license] || "Unknown"
+    self.license = License.find_or_create_by(name: license_name)
+    if license_name == "MIT-Hippocratic-1.2"
+      HippocraticAlertMailer.alert(name)
+    end
   end
 end
diff --git a/app/models/package_manager.rb b/app/models/package_manager.rb
index 8c036e5..baefed4 100644
--- a/app/models/package_manager.rb
+++ b/app/models/package_manager.rb
@@ -11,6 +11,6 @@ class PackageManager < ApplicationRecord
 
   private
   def set_language
-    self.language = Language.find_or_create_by(name: MANAGERS[self.name])
+    self.language = Language.find_or_create_by(name: MANAGERS[name])
   end
 end
diff --git a/app/models/project.rb b/app/models/project.rb
index d1a53c5..fb5605a 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -6,7 +6,7 @@ class Project < ApplicationRecord
   validates :name, uniqueness: true, presence: true
 
   def github_identifier
-    "#{self.org_name}/#{self.name}"
+    "#{org_name}/#{name}"
   end
 
 end
diff --git a/app/views/hippocratic_alert_mailer/alert.html.erb b/app/views/hippocratic_alert_mailer/alert.html.erb
new file mode 100644
index 0000000..435ecc8
--- /dev/null
+++ b/app/views/hippocratic_alert_mailer/alert.html.erb
@@ -0,0 +1 @@
+'<%= @dependency_name %>' is using the Hippocratic License!
\ No newline at end of file
diff --git a/config/application.rb b/config/application.rb
index ab25405..af77e90 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -11,5 +11,11 @@ class Application < Rails::Application
     config.load_defaults 6.0
     config.autoload_paths << "#{Rails.root}/app/services/*"
     config.active_job.queue_adapter = :sidekiq
+
+    config.action_mailer.delivery_method = :postmark
+
+    config.action_mailer.postmark_settings = {
+      api_token: Rails.application.credentials.postmark_api_token
+    }
   end
 end
diff --git a/config/credentials.yml.enc b/config/credentials.yml.enc
new file mode 100644
index 0000000..4a38820
--- /dev/null
+++ b/config/credentials.yml.enc
@@ -0,0 +1 @@
+mSk7HEcfdczw+naGIebobwZB1n1pPPettZOtBpSHJ/qvbkXYNn+BjVH9ZJLzXD7q3AlKLptOsuNTU8K+4piwflBsVmBFFzus28DP+vc0XFRXaLBeL3OVFUb2rpBqDvYBoNdQaA/11XJz4fZ+TroNgGXAdG7oD3YerE7qBdIx9PpVef/19l6S9eAX5W3Ljt5AlazDvc4jXd6fdjZPaL8qVyvSnoO9yuYOjAdeauR2Ow5TcwRd1t5qWf2Z5W3+Mt8tV2znhL/5rs0QwUXfjCpVRyKjh4SCwlSKGJ+WSf/FURQ30yqoqcI3C544af5W3GjJRorstds0XDZMan5zZfh/DDeK+Mr3KkUxZo3arCcepZ9jeiGQYbNjdm9SR0fC/K6ppdUNE0fE3lcelczkHbrhn0OCdNSvjCRYc8wPzmEfMSOeE0gpsVZbQzDV3L0Vsy8j5E6+q1r97yHOoCi1cmosfTxUuWMhQeKXuimoU2b+sM7Y--bqaAhpt+XCcZP/cM--qErv/AUFYTF21+QGe7Fbdw==
\ No newline at end of file
diff --git a/config/initializers/sidekiq.rb b/config/initializers/sidekiq.rb
index 38f73bf..7274fc5 100644
--- a/config/initializers/sidekiq.rb
+++ b/config/initializers/sidekiq.rb
@@ -8,6 +8,5 @@
   # - Use digests to stop length information leaking (see also ActiveSupport::SecurityUtils.variable_size_secure_compare)
   ActiveSupport::SecurityUtils.secure_compare(::Digest::SHA256.hexdigest(username), ::Digest::SHA256.hexdigest(ENV["SIDEKIQ_USERNAME"])) &
     ActiveSupport::SecurityUtils.secure_compare(::Digest::SHA256.hexdigest(password), ::Digest::SHA256.hexdigest(ENV["SIDEKIQ_PASSWORD"]))
-
 end
 Sidekiq::Web.set :sessions, false
diff --git a/config/routes.rb b/config/routes.rb
index 7ab91be..5abc3bc 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,7 +1,6 @@
 Rails.application.routes.draw do
   mount Sidekiq::Web => '/sidekiq'
 
-
   resources :projects, only: [:index, :show]
 
   root "home#show"