It looks like there was a problem reaching your SMTP service

[Spike]

I’m not very technicaly minded but there was another post with the same error as the one your seeing. @QFMathew suggested in that one that the smtp server was wrong. May be worth trying?

SMTP Setep with Office365 account

Hi, I am trying to connect to the SMTP server associated with my Office365 account and am getting the error: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 SMTP; Client was not authenticated to send anonymous mail during MAIL FROM [CWXP265CA0050.GBRP265.PROD.OUTLOOK.COM] [2018-04-29_16h18_40] I have checked and double checked the settings, username and password and they are all correct. I have also been able to use the setti…