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Cox updated security, Windows 10/Outlook 2016 stopped sending email

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#1 DGoodale


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  • Local time:02:01 AM

Posted 27 January 2018 - 01:00 PM

Hi folks,


I've tried everything I could think of or find to resolve this issue but I'm stuck. 3 days ago Outlook 2016 stopped being able to login to the server and send outbound email. At the Cox website, I found a notice that they had changed the security settings for connecting to their email system. I also found a doc explaining the steps necessary to reconfigure Outlook with the new settings.


Unfortunately, for the most part the "new" settings were the settings I already had, aside from some instructions to use a different port, 465/SSL, but switch back to the old port 587/TLS if 465 didn't work. Outlook 2016 doesn't have settings for just SSL or TLS. It has choices of None, SSL/TLS, STARTTLS, or Auto. I've tried all combinations of these ports and these settings. Some just hang, some ask me for my password but don't accept the verified correct password.


As a test, I setup Microsoft Mail and it works fine. Only Outlook has this trouble. Unfortunately, Microsoft mail is so basic it doesn't suit my needs, and I don't see a way to connect it to my existing PST file anyway. Any suggestions would be greatly appreciated.

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