Hello,
I am trying to send a SMTP Mail message but I am encountering AuthenticationInvalidCredentials error even if my credentials are correct. No 2-step authentication set up and IMAP and POP is already enabled on my gmail settings. Here is the error I am encountering.
19.1.0+Branch.master.Sha.3db2bfe8751ed76c2c21f7ee16f53ff69a3e3b75
Source: Send SMTP Mail Message
Message: AuthenticationInvalidCredentials: 5.7.8 Username and Password not accepted. Learn more at
5.7.8 Check Gmail through other email platforms - Gmail Help s1sm20711025pgv.30 - gsmtp
Exception Type: MailKit.Security.AuthenticationException
An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
MailKit.Security.AuthenticationException: AuthenticationInvalidCredentials: 5.7.8 Username and Password not accepted. Learn more at
5.7.8 Check Gmail through other email platforms - Gmail Help s1sm20711025pgv.30 - gsmtp
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)