[quote="shacky":1m6b9d9i]Hi,
this means there is no valid mx record for domain in which is email address.
It seems that we need to give an option to disable this feature (check of mx record), because some people have invalid configured hosts...
Paul[/quote:1m6b9d9i]
Yandex.ru in Russia are biggest search engine and mail system, MX record for this company I don't think so that are bad. And I have a lot of compamies that MX record are good but system can't CRM can't add this record. I try to find were I can disable this feature, but I don't found. Can you say were to disable this feature?