Zimbra email signatures

One Zimbra signature for all users, added on the server and personalized from the Zimbra directory - every employee gets their own name, title, and contact details automatically.

How to configure a Zimbra disclaimer

Add a legal disclaimer to email with full HTML support and rules that decide exactly which messages get it.

Zimbra autoresponder

Server-side automatic replies and out-of-office messages - scheduled, centrally managed, and loop-safe.

Block attachments in Zimbra

Block or strip dangerous attachments by extension, type, or size using readable policy rules.

Zimbra Sieve filters

How Zimbra's built-in Sieve mail filters work, where the scripts are stored, and how to set them up for users and whole domains.