Using SFTP as Storage Backend configured on user level is using "no auth" method only

[abairit]

Hello,

I'm using the SFTPGo Docker Image 2.5.x-alpine-slim and want to use another SFTP Server as a storage backend for one of my sftpgo users.
I configured the sftp server endpoint, provided an user and password, but when sftpgo is trying to connect to the other sftp server, I get the following error:

could not create root filesystem: sftpfs: unable to connect: ssh: handshake failed: ssh: unable to authenticate, attempted methods [none password], no supported methods remain

As I can see in the docs, the password authentication should be used if a password is provided.
If I try to connect to my other sftp server via filezilla or other sftp tools, the connection could be established. only sftpgo has problems to connect to my sftp server.

Can you please give me some hints, how I should configure SFTP GO via Env Vars to allow other auth methods for the SFTP storage backends?

Best regards

Artur

[abairit]

We managed to solve the problem on our side.