Flow XO is currently experiencing problems receiving emails. This started today at around 05:16 UTC and is a result of errors seen by the third party email service used by Flow XO. The latest from them is that they are actively working to resolve sending issues affecting ~3,000 users. At this time, they do not have an estimated time of resolution.
We will monitor the situation and update our status page with relevant information.
We sincerely apologise for this disruption.