Thank you everyone. I did contact Telus via Messenger today and this was the response: "I've heard back from our tech support team. They reached out to our internet abuse/security team for advice and we've been advised that Spamcop doesn't whitelist...
We have been experiencing this blocking issue for the last several months with incoming mail from Telus customers getting blocked by our mail server since it uses SpamCop to filter emails on the way in. I am able to log into the control panel of our...
