Google's team has informed us that they've instituted a mitigation for the previous issues users where seeing. We currently believe the majority of issues related to attachments have been resolved at this time. We'll continue to monitor and work with Google while they investigate this issue further.
Posted 17 days ago. Oct 06, 2017 - 14:22 PDT
We're aware of users experiencing issues when uploading and downloading attachments. We've currently traced down the issue to a problem within Google's Cloud Platform infrastructure. We're communicating with Google while they are actively working to resolve this issue. We'll update here when we have more information.