Minor fixes.

mailer.rb

@@ -1,7 +1,12 @@
 # Mailer module
+
+# Not to actually be used. proof of concept.
+
 module Mail
   def send(to, subject, body)
-    from_email = "infinsweeper@syedm.dev"
+    raise "Can't send email."
+
+    from_email = "infinsweeper@domain.com"
     from_name = "InfinSweeper"
     to = Array(to).map { |addr| { email_address: { address: addr, name: "" } } }
 
@@ -17,7 +22,7 @@ module Mail
 
     uri = URI("https://api.zeptomail.com/v1.1/email")
     req = Net::HTTP::Post.new(uri)
-    req["Authorization"] = "Zoho-enczapikey  #{ENV_HASH["ZOHO_PASS"]}"
+    req["Authorization"] = "Zoho-enczapikey  #{ENV["ZOHO_PASS"]}"
     req["Content-Type"] = "application/json"
     req.body = payload.to_json