Allowing popups in your Browser

Depending on the version used, Zimbra web client opens messages in a popup window.
You will need to allow popups from HIS webmail, here is how to do that for:

• Chrome
• Safari
• [Internet Explorer](Microsoft Support: https://support.microsoft.com/en-us/help/17479/windows-internet-explorer-11-change-security-privacy-settings "Change security and privacy settings for Internet Explorer")
• Firefox