RSS Feed
Knowledgebase : MX Force
Below you will find a link to the Microsoft explanation, and to some other work around for this issue. 452 4.3.1 Insufficient system resources - on relay of: mail from A reputable resolution can be found at the following URL:
Hello MX Force Resellers and Direct Clients: The MX Force email security solution you are currently using to protect your environment from spam and viruses is improving security even more. If you have not added the new netblock by the effective date o...
ERROR: This domain name does not match domain registered in the license key file (, allowed domains:, please change the product path to match the domain under Admin CP > Settings > General Settings
This product will not work properly unless untill that value is changed.

For more information please contact Kayako support at