Sort runtime config.

config/runtime.exs

@@ -106,34 +106,11 @@ if config_env() == :prod do
   #
   # Check `Plug.SSL` for all available options in `force_ssl`.
 
-  # TODO: Switch Postmark to this when we get our first paid customer
   if config_env() == :prod or config_env() == :dev do
     ## Configuring the mailer
-    #
-    # See https://hexdocs.pm/swoosh/Swoosh.html#module-installation for details.
-    # In production you need to configure the mailer to use a different adapter.
-    # Also, you may need to configure the Swoosh API client of your choice if you
-    # are not using SMTP. Here is an example of the configuration:
-    #
-    #      config :sentrypeer, Sentrypeer.Mailer,
-    #        adapter: Swoosh.Adapters.Postmark,
-    #        api_key: System.get_env("POSTMARK_API_KEY")
-    #
-    #
-    # For this example you need include a HTTP client required by Swoosh API client.
-    # Swoosh supports Hackney and Finch out of the box:
-    #
-    # config :swoosh, :api_client, Swoosh.ApiClient.Finch
     config :sentrypeer, Sentrypeer.Mailer,
-      adapter: Swoosh.Adapters.SMTP,
-      relay: System.get_env("SENTRYPEER_SMTP_RELAY"),
-      username: System.get_env("SENTRYPEER_SMTP_USERNAME"),
-      password: System.get_env("SENTRYPEER_SMTP_PASSWORD"),
-      tls: :always,
-      auth: :always,
-      port: System.get_env("SENTRYPEER_SMTP_PORT"),
-      retries: 2,
-      no_mx_lookups: false
+      adapter: Swoosh.Adapters.Sendgrid,
+      api_key: System.get_env("SENTRYPEER_SENDGRID_API_KEY")
   end
 
   # Stripe