Hi , whenever we are sending mails to the user,I am facing this issue
MailKit.Net.Smtp.SmtpCommandException: 4.3.1 Insufficient system resources (UsedDiskSpace[U:\Exchange 2016\V15\TransportRoles\data\Queue])
at UiPath.Mail.Activities.SendMailActivity.EndExecute(AsyncCodeActivityContext context, IAsyncResult result)
at System.Activities.AsyncCodeActivity.System.Activities.IAsyncCodeActivity.FinishExecution(AsyncCodeActivityContext context, IAsyncResult result)
at System.Activities.AsyncCodeActivity.CompleteAsyncCodeActivityData.CompleteAsyncCodeActivityWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)
Hey @Cuberoot
I found main cause of this issue: It occurs because the Exchange Server is either unavailable or has low disk space which should be freed.
The server is reporting that it does not have enough disk space in the specified directory (U:\Exchange 2016\V15\TransportRoles\data\Queue ). This directory is likely used to queue mail messages before they are sent.