Sieve Filter Execution Order in MailSite 6

This document explains the order of execution for the various Sieve filtering scripts are applied in MailSite. It should be read by administrators that are responsible for filtering policies, or anyone responsible for trying to resolve a filtering problem.

Sieve Filters Execution Order

In order to fully exploit the power of Sieve Filters, it is necessary to understand the order of Sieve Filter execution.

1. Server Receive Scripts
Server Receive Scripts are global Sieve scripts that are administered through the Server/Security/Sieve Filter window in the MailSite Console.

2. Domain Sieve Scripts
Domain Sieve Scripts are applied to messages sent to or from a particular domain and are administered through the Domains/domainname/Sieve Filter window in the MailSite Console.

3. Mailbox Sieve Scripts
Mailbox Sieve Scripts are only applied to individual mailboxes. They can be administered either through the Mailbox Properties/Security tab in the MailSite Console or by end users through the MailSite Express client in the Options/Filters window.

4. Mailbox Delivery Scripts
Mailbox Delivery Scripts are global (administrator) Sieve scripts that are applied at the final stage in the mailbox delivery process. They can be circumvented by Mailbox Sieve Scripts. They are administered through the Server/Security/Sieve Filter window in the MailSite Console.