diff --git a/app/interactions/actions/simple_mail_validator.rb b/app/interactions/actions/simple_mail_validator.rb
index 7d945e875d..8d71076027 100644
--- a/app/interactions/actions/simple_mail_validator.rb
+++ b/app/interactions/actions/simple_mail_validator.rb
@@ -3,6 +3,8 @@ module SimpleMailValidator
     extend self
 
     def run(email:, level:)
+      email = decode_email_punycode(email)
+
       result = truemail_validate(email: email, level: level)
       result = validate_for_a_and_aaaa_records(email) if !result && level == :mx
       result
@@ -32,6 +34,12 @@ def output_a_and_aaaa_validation_results(email:, result:, type:)
       logger.info "Validated #{type} record for #{email}. Validation result - #{result}"
     end
 
+    def decode_email_punycode(email)
+      local_part, domain = email.split('@')
+      decoded_domain = Addressable::IDNA.to_unicode(domain)
+      "#{local_part}@#{decoded_domain}"
+    end
+
     def logger
       @logger ||= Rails.logger
     end
diff --git a/test/interactions/email_check_test.rb b/test/interactions/email_check_test.rb
index e3b1a8a170..adecd37d48 100644
--- a/test/interactions/email_check_test.rb
+++ b/test/interactions/email_check_test.rb
@@ -96,6 +96,13 @@ def test_should_remove_old_record_if_multiple_contacts_has_the_same_email
     assert_equal contact_two.validation_events.count, 3
   end
 
+  def test_should_test_email_with_punnycode
+    email = "info@xn--energiathus-mfb.ee"
+    result = Actions::SimpleMailValidator.run(email: email, level: :mx)
+
+    assert result
+  end
+
   private
 
   def trumail_result