This site did not show evidence of storing passwords in plaintext.
This site does allow secured connections (https)
This site did show a clear way to unsubscribe from their emails
This site does verify your email address.
Membership Emails
Below is a sample of the emails you can expect to receive when signed up to xfilesharing.
File storage made easy – including powerful features you won’t find anywhere else. Whether you’re sharing photos, videos, audio,ZIP or docs, jaxfile can simplify your workflow.