Hello @Reny j joseph Thuthikattu ,
Thank you for posting here.
Based on my knowledge, if you do not want to any one to delete files on one server, you can set deny permission for specific users or user groups on the files or the root folder with files in it.
And you can only set deny permission for specific users or user groups on the files or the root folder with files in it.
Hope the information above is helpful.
Should you have any question or concern, please feel free to let us know.
Best Regards,
Daisy Zhou