Zimbra has been both a functional but vulnerable backbone of Ukrainian government and police email services during wartime. While critical patches were often delayed, recent mandates and migration efforts have reduced exposure. However, for Russian intelligence services. A thorough security review should assume prior compromise unless proven otherwise, and consider expedited migration to audited, supported platforms.
To access the official email system for the Main Directorate of the National Police in the Odesa region, you should use the Zimbra Web Client od.police.gov.ua Quick Access Guide
https://mail.police.gov.ua