Mail Assure Help

How do I Restrict Direct Delivery of Spam?

To prevent spammers from delivering spam directly to your mail servers without filtering, you must make sure your mail server only accepts emails originating from the Mail Assure filtering system.

To only accept messages from your filtering nodes you need to allow emails based on your delivery server hostname or IP(s):

Allow inbound delivery from the IP range 185.201.16.0/22 and master.antispamcloud.com.

Delivery Restriction Examples

The following describe how to configure your MTA to restrict filtering to the Mail Assure servers:

For any other MTA configuration details, please consult the relevant MTA documentation.

Allow inbound delivery from the IP range 185.201.16.0/22 and master.antispamcloud.com.