Unable to login to RainLoop "Authentication Failed" — CyberPanel - WebHosting Control Panel for OpenLiteSpeed

Unable to login to RainLoop "Authentication Failed"

I am unable to log in to RainLoop mail. It is showing "Authentication Failed". When I logged into admin and tried to add a domain it is showing these results. Please check these screenshots:

1. https://pasteboard.co/K9vQNTr.png
2. https://pasteboard.co/K9vRcm9.png
3. https://pasteboard.co/K9vRpfY.png

If you check these 3 above screenshots, I believe you will be able to understand my problem better. Another info: All ports for emails as per cyberpanel are open.


  • hmm I see the domain is relayed via Cloudflare DNS so the domain will not resolve to correct IP, Cloudflare will mask the IP

    so create an another A record like smtp.domain.com and point to the server IP without Cloudflare masking ( proxy) and try to add it

    it will work
  • Maybe my workaround fits your problem:

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