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ZCS FOSS 10.1.16 - Security fixes and embargoed commits

This thread will study ZCS NE 10.1.16 (released on February 04, 2026) security fixes and...

We are observing a serious inconsistency in how Zimbra enforces the authenticated sender depending on the mail client.

When a Zimbra mailbox is...

Hey everyone,

I'm running into a limitation with Zimbra's built-in Out-of-Office (Vacation) feature: it only allows you to set a single auto-reply...

Hello all
ubunu20 zimbra 10.0.7
yesterday Idid an update via apt.
result is mailboxd webapps not starting after update.

in mailbox error log I...

Hi,
the lawyer of the adverse party send me an email before the court audience and I need to prove that I saw it and opened it only after the...

Support Portal Emails using this template are currently being marked as spam, due to the template being configured to send email as if it came from...