configure mail

app/lib/firehose/accounts/user_notifier.ex

@@ -11,12 +11,18 @@ defmodule Firehose.Accounts.UserNotifier do
   alias Firehose.Accounts.User
   alias Firehose.Mailer
 
+  defp sender do
+    name = System.get_env("SENDER_NAME") || "Firehose"
+    email = System.get_env("SMTP_FROM_EMAIL") || "contact@example.com"
+    {name, email}
+  end
+
   # Delivers the email using the application mailer.
   defp deliver(recipient, subject, body) do
     email =
       new()
       |> to(recipient)
-      |> from({"Firehose", "contact@example.com"})
+      |> from(sender())
       |> subject(subject)
       |> text_body(body)