Email is always evolving and recently Gmail has started to reject email with bad headers for some customers. Rejecting email with bad headers may help protect against DKIM replay attacks (more on replay attacks in an upcoming blog). When we are talking about messages with bad headers, we mean messages that are not compliant with […]
Author Archive | Barry de Graaff
When your security scanner alerts for jspawnhelper in Zimbra
Many administrators rely on third-party security scanners such as Crowdstrike Falcon to analyze their Zimbra server for malicious activity. One process that is frequently reported is jspawnhelper. What is jspawnhelper? While this is not very well documented, jspawnhelper can be run as the result of a call to ProcessBuilder.start() or Runtime.exec() in a java application. […]
New phishing attacks may use .zip, .mov and other new Internet domains
Beware of fraudulent activities using the newly launched .zip and .mov top-level domains. Phishing attacks have already targeted well-known brands like Microsoft and Okta. Apart from phishing, the new .zip and .mov TLDs have also been used for various malicious purposes like hosting zip bombs, redirecting to YouTube videos, and offering file compression services. Here […]
Discover Zimbra’s new document editing in Briefcase
By Barry de Graaff on May 24, 2023 in Product News, Did You Know, Product Updates, Zimbra Web Client
In Zimbra 10 we have added online document editing capabilities. You can create and edit Office documents in Zimbra Briefcase right from within your browser: The new document is opened in a new browser tab for distraction free editing and spell check is available for many languages: Once you close the document, you can find […]
Discover Zimbra’s new Storage Management and use Zimbra with Minio S3 (updated)
In Zimbra we have overhauled the Storage Management and support for external storage providers such as Amazon S3, Ceph, NetApp StorageGrid and OpenIO have been added. In this article you will learn how to install Minio as on premise S3 storage solution and how to set it up in Zimbra. Installing Minio On a dedicated […]
Zimbra advanced mobile device management with Scalefusion MDM
Zimbra 10 is natively supported in Scalefusion Mobile Device Management (MDM). When used together Zimbra and Scalefusion gives your IT teams visibility and control required to secure, manage and monitor any corporate-owned or employee-owned devices that access corporate data. This includes mobile devices (Android and IOS) and managed Windows devices such as laptops. In other words with […]