AppRiver is aware of and currently working to resolve issues with mail flow resulting in, in some cases, significant delays in mail delivery The issue was initially reported on 13 February 2019 and was believed to have been resolved at that time. Unfortuately, that was not the case and delays have persisted for some clients. The AppRiver team is working on a resolution now and believe that they have identified the cause and a fix that is being tested now. Below is a link to the AppRiver status page with an option to subscribe to updates on the issue.
