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Power Automate
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SMTP outlook

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Posted on by 25

Hi, There

I have a question I hope you can help me.

 

I was using this service and it stopped working

 

 

Old SMTP

Old SMTPOld SMTP

 

 

New SMTP

NEW.JPG

 
I have the same question (0)
  • Nived_Nambiar Profile Picture
    18,138 Super User 2026 Season 1 on at

    Hi @berbesi2142 

     

    what's the error you are getting ?

  • berbesi2142 Profile Picture
    25 on at

    535: 5.7.139 Authentication unsuccessful, the request did not meet the criteria to be authenticated successfully. Contact your administrator. [BN9PR03CA0083.namprd03.prod.outlook.com 2023-04-06T13:19:19.068Z 08DB368131358DB3]: Microsoft.Flow.RPA.Desktop.Modules.SDK.ActionException: Failed to send email message. ---> MailKit.Security.AuthenticationException: 535: 5.7.139 Authentication unsuccessful, the request did not meet the criteria to be authenticated successfully. Contact your administrator. [BN9PR03CA0083.namprd03.prod.outlook.com 2023-04-06T13:19:19.068Z 08DB368131358DB3] ---> MailKit.Net.Smtp.SmtpCommandException: 5.7.139 Authentication unsuccessful, the request did not meet the criteria to be authenticated successfully. Contact your administrator. [BN9PR03CA0083.namprd03.prod.outlook.com 2023-04-06T13:19:19.068Z 08DB368131358DB3]
    --- End of inner exception stack trace ---
    at MailKit.Net.Smtp.SmtpClient.<AuthenticateAsync>d__69.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
    at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
    at MailKit.Net.Smtp.SmtpClient.Authenticate(Encoding encoding, ICredentials credentials, CancellationToken cancellationToken)
    at MailKit.MailService.Authenticate(Encoding encoding, String userName, String password, CancellationToken cancellationToken)
    at Microsoft.Flow.RPA.Desktop.Modules.Email.Actions.EmailActions.SendEmail(Variant from, Variant senderDisplayName, Variant to, Variant cc, Variant bcc, Variant subject, Variant body, Variant attachments, Variant smtpServer, Variant username, Variant varPassword, Boolean isBodyHtml, Int32 serverPort, Boolean needsAuthentication, Boolean enableSsl, Boolean acceptUntrustedCertificates)
    --- End of inner exception stack trace ---
    at Microsoft.Flow.RPA.Desktop.Modules.Email.Actions.SendEmail.Execute(ActionContext context)
    at Microsoft.Flow.RPA.Desktop.Robin.Engine.Execution.ActionRunner.Run(IActionStatement statement, Dictionary`2 inputArguments, Dictionary`2 outputArguments)

  • berbesi2142 Profile Picture
    25 on at

    The problem was solved.

     

    When I activated outlook defender, it disabled the POP configuration.

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