Please consider use only the versions supported, please the use of versions not supported on public servers may be a risk. Thanks.

First of all, really thanks that you find a vulnerability, please report it to soporte@iguannaweb.com with the subject: "I found a vulnerability on Backupmail"

If you know how to fix the bug, please considere make a pull request to the repository or send me the fix and I'll make the required changes. Don't forget to send me a name and social network or mail and I will thank you on Acknowledgements section.