X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/80427b3e5e5ebeecbc0a57a1549a2a33e0c92199..fb953006a1a8fe2949f376e167dda963dfd784bd:/app/controllers/users_controller.rb

diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 1ec9ab8d8..17031848d 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -752,7 +752,13 @@ class UsersController < ApplicationController
                email.split("@").last
              end
 
-    if blocked = Acl.no_account_creation(request.remote_ip, domain)
+    mx_servers = if domain.nil?
+                   nil
+                 else
+                   domain_mx_servers(domain)
+                 end
+
+    if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 
       render :action => "blocked"
@@ -761,6 +767,14 @@ class UsersController < ApplicationController
     !blocked
   end
 
+  ##
+  # get list of MX servers for a domains
+  def domain_mx_servers(domain)
+    Resolv::DNS.open do |dns|
+      dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect(&:exchange).collect(&:to_s)
+    end
+  end
+
   ##
   # check if this user has a gravatar and set the user pref is true
   def gravatar_enable(user)