Resolved
This issue has been identified and resolved by our server administration team.
As per their analysis, the webmail login issue occurred due to load on one of the databases in the OX database cluster.
We do regret the inconvenience caused. Feel free to contact our support helpdesk if you require any further clarification or support.
Posted March 5th, 2019 1:37 pm GMT 
Investigating
We were facing Webmail login issues with our Business and Enterprise email service.
You might have encountered the error “Connection error: service not available right now" and “504 Gateway Timeout” while accessing your account via the webmail interface.
Our System Administration team have identified the issue will be pushing a patch to fix the issue. Please keep an eye on this thread for further updates.
We thank you for your continued patience and understanding of this situation.
Posted March 5th, 2019 11:23 am GMT
Affected Services
- Email Hosting
Affected Servers
- us3.webmail.mailhostbox.com