To help Mattermost improve the quality, security, and usability of our applications the suite is configured to send anonymous Usage and Diagnostic data.
Disabling Error and Diagnostic Reporting
This server is contacted by the Mattermost Error Diagnostics and Reporting Feature. Administrators can disable it by going to System Console > Environment > Logging > Enable Diagnostics and Error Reporting
Full details on the data that is collected can be found here: