Can not export files to domain. fail 550? 
Author: Viktor A.
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Can not export files to domain. fail 550?
Best regards Viktor
Posted on the
At the moment there are many posts regarding this issue
Is one.com your ISP?
Author
Yes, one.com
Hello!
Useful? ... Seen on another post:
"On the advice of the technicians from one.com, I have now changed the server type from FTP to SFTP with the associated parameters, then created a new password and the problem was then solved.
Now everything works as usual again."
https://helpcenter.websitex5.com/en/post/253466
Or this one? see the intervention of Stefano (Inco):
https://helpcenter.websitex5.com/en/post/253464
Good luck,
J.P.