FTP Command gotchas
We use a custom built FTP service in order to connect to your cloud backends.
Some FTP features have been purposefully removed in order to support these backends.
Notable items are added to the below list:
The APPE command is accepted and used, however if a file exists on the backend the file is not overwritten or appended due to S3 and Azure backend limitations. APPE will only let you upload a file if a file of the same name exists (just like STOR)