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.
Below is a sample of the emails you can expect to receive when signed up to mogrex.
Thank you for your interest in working with MogRex Limited.
At MogRex Limited we take our client management online so you can easily monitor your projects with us, get reports, pay and get support through our online Ticketing system. Here are the login details to your dashboard, where you can view invoice/quotes/estimates and keep up to date on any past, current and future projects.