Try adding the domain to the 'Spam Sender Whitelist' or to the 'Trusted Senders' list. The first one seems like it should work for you. Add the domain as '*@domain.tld' and give that a shot. Here is an excerpt from the help for that page: If you need to make exceptions to spam scanning, you can use the Spam Sender Whitelist function to add addresses or user/domain patterns.
Try adding the domain to the 'Spam Sender Whitelist' or to the 'Trusted Senders' list. The first one seems like it should work for you. Add the domain as '*@domain.tld' and give that a shot. Here is an excerpt from the help for that page: If you need to make exceptions to spam scanning, you can use the Spam Sender Whitelist function to add addresses or user/domain patterns.