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 iowawatch.
Thank you for registering with eDriving Fleet Services for our Fleet Manager Program. This e-mail contains your username and password information, so please print it out or save it for future reference.
If you have any questions please contact us via phone or email.