Initial release of Discourse

lib/email.rb

@@ -0,0 +1,15 @@
+require 'mail'
+module Email
+  
+  def self.is_valid?(email) 
+
+    parser = Mail::RFC2822Parser.new
+    parser.root = :addr_spec
+    result = parser.parse(email)
+    
+    # Don't allow for a TLD by itself list (sam@localhost)
+    # The Grammar is: (local_part "@" domain) / local_part ... need to discard latter
+    result && result.respond_to?(:domain) && result.domain.dot_atom_text.elements.size > 1
+  end
+
+end