![Mac outlook 2016 server for account returned the error [authenticationfailed]](https://cdn-ak.f.st-hatena.com/images/fotolife/g/greathigh-power/20200126/20200126193937.jpg)
![mac outlook 2016 server for account returned the error [authenticationfailed] mac outlook 2016 server for account returned the error [authenticationfailed]](https://venturebeat.com/wp-content/uploads/2019/07/android-auto-widescreen.png)
When I set the security to SSL/TLS diagnostics freezes the Administrator and the process must be killed to regain function. When I set the connection security of the TCP ports to "STARTTLS (Optional)" hMailServer Administrator's diagnostics utility gives a green for everything.
![mac outlook 2016 server for account returned the error [authenticationfailed] mac outlook 2016 server for account returned the error [authenticationfailed]](https://venturebeat.com/wp-content/uploads/2019/08/fitbit-premium-ios-sleep-score.jpeg)
I set my SMTP relayer as and entered my credentials as instructed by my ISP. My antivirus does not interfere with them.
#Mac outlook 2016 server for account returned the error [authenticationfailed] windows#
I forwarded these ports in my router config, and created Windows Firewall exceptions for them. I have TCP ports 25 (SMTP), 110 (POP3), 143 (IMAP), 465 (SMTP), and 587 (SMTP) enabled in hMailServer Administrator. I am using a self-signed SSL certificate (which is visible from ). My ISP blocks all traffic on port 25 that doesn't go through their SMTP server (. I am using No-Ip's "Free Dynamic DNS" for my domain.
![mac outlook 2016 server for account returned the error [authenticationfailed] mac outlook 2016 server for account returned the error [authenticationfailed]](https://2.bp.blogspot.com/-IgwFym8ZUng/WDzCuu8ZktI/AAAAAAAAAIE/J_eho3GnSy4HnLoFYd_SlFTEqbVv_bQKACEw/s1600/permit_city_vancouver.jpg)
I am currently trying to set up hMailServer for my website.
![Mac outlook 2016 server for account returned the error [authenticationfailed]](https://cdn-ak.f.st-hatena.com/images/fotolife/g/greathigh-power/20200126/20200126193937.jpg)