Archive | Did You Know

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 […]

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Discover Zimbra’s new document editing in Briefcase

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 […]

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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 […]

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Configure Zimbra OpenDKIM to sign the Subject header

By default Zimbra OpenDKIM does not sign the Subject header. At this time the configuration of what headers are signed by Zimbra OpenDKIM cannot be done via zmprov. There is a pending feature request to make these headers configurable via zmprov. In this article you will learn how to configure Zimbra OpenDKIM by customizing the […]

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Did you know? Zimbra HTTP Strict Transport Security (HSTS)

The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) informs browsers that the site should only be accessed using HTTPS, and that any future attempts to access it using HTTP should automatically be converted to HTTPS. What does HSTS do for improving security? You have HSTS configured on Zimbra and have configured a correct TLS […]

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