Can't send e-mail: 550 5.7.705 Access denied, tenant has exceeded threshold

[HM1]

Hi, I just registered domain and also added one e-mail account. It worked for the first 5 minutes and then stopped. I am unable to send out any e-mails. The message keeps saying that: "Remote Server returned '550 5.7.705 Access denied, tenant has exceeded threshold.".Please kindly advise what does it mean and how can I resolve the issue. It is really annoying. 

[CG · Accepted solution]

Hey @HM1,

Welcome to the community!

I'm hoping you've already worked out a solution to this matter, but if you're still encountering this then you'll need to reach out to our live support as that is indicating an outgoing spam protection limit being reached. This requires further investigation on our end to see if the threshold limit can be reset for you.