diff --git a/lib/warden/imap.rb b/lib/warden/imap.rb
index a17ce5a..a5f5646 100644
--- a/lib/warden/imap.rb
+++ b/lib/warden/imap.rb
@@ -12,7 +12,11 @@ module Warden
         return false unless params.include? 'username'
         return false unless params.include? 'password'
 
-        @email = EmailAddress.new(params['username'])
+        username = params['username']
+
+        @email = EmailAddress.new(username, host_validation: :a)
+
+        Rails.logger.error [username, @email.error].join(': ') unless @email.valid?
 
         @email.valid?
       end
@@ -32,17 +36,20 @@ module Warden
       rescue Errno::ECONNREFUSED, Errno::ETIMEDOUT, Errno::ENETUNREACH,
              SocketError, Net::IMAP::ByeResponseError => e
 
+        Rails.logger.error e.to_s
         @imap.disconnect
         fail! e.to_s
       end
 
       def imap_login
+        Rails.logger.info "Autenticando a #{@email.normal}"
         @imap.login(@email.normal, params['password'])
         @imap.disconnect
 
         success! Usuaria.find(@email.normal)
-      rescue EOFError => e
+      rescue Net::IMAP::NoResponseError, EOFError => e
         @imap.disconnect
+        Rails.logger.error e.to_s
         fail! e.to_s
       end
     end