I cant open webmail in CyberPanel

Posted August 27, 2020 3.7k views
EmailControl Panels

I have created a new mail for my website in CyberPanel.

When I make click in “Access Webmail” section.. and use my mail and password… I get an error notification
“Authentication failed and sometimes "Unknown error”

This is my mail and the error >>>>>

Next I check in Security >> Firewall section
and port 25 is added correctly, I dont see errors there
Here I show you a picture >>>

I made a list of all the records (DNS) found un my website
Take a look here >>>

Now I dont know how to do.

Your help will be appreciated

These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.

Submit an Answer
2 answers


Can you confirm if you have SSL applied on mail server? If not, please click CyberPanel > SSL > MailServer SSL button and then try log in again.

Let us know if it makes any difference.


Hello Eleu

I got this error using the commands. ( is related to mysql I guess)

Check images here:

Thanks again for your help