MSH Software
MSH Zimbra Rules · for Zimbra Collaboration Suite

Signatures, disclaimers and mail rules, applied on the server.

Every outgoing message gets the right signature and disclaimer from the Zimbra directory, and policy rules handle attachments, auto replies and routing. Managed from one web administrator panel, nothing to configure on the client.

Milter API integration, no MTA patches Zimbra LDAP directory sync
MSH Zimbra Rules administrator panel showing the Add Signature Rule form with General, Signature, Conditions, Exceptions, Positioning and Scheduler tabs
MSH Zimbra Rules 1.0, web administrator panel. Released September 2026.
MSH Postfix Milter administrator panel showing policy rule groups such as block messages from different domains, remove attachments and modify subject
MSH Postfix Milter, desktop administrator panel for the milter running next to Postfix.
MSH Postfix Milter · for Postfix

Policy rules, signatures and auto replies for Postfix.

Block or rewrite messages, strip and compress attachments, add signatures and disclaimers from Active Directory or OpenLDAP, and send auto replies without reply storms. Rules are grouped, tested on real messages and traced in the events history.

No Postfix patches, plugs in as a milter AD / OpenLDAP attribute sync Run scripts when a rule matches

Which mail server do you run?

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Active Zimbra New

MSH Zimbra RulesSignatures, disclaimers, autoresponders and policy rules for Zimbra Collaboration Suite

SIGNATURE RULE Sales teamwhen sender in group sales@ and recipient domain is not internalthen insert template sales-html under reply, fill from LDAP
  • Signatures and disclaimers filled from the Zimbra directory
  • Rules tester and events history for real messages
  • Web administrator panel, no client-side setup
Active Postfix

MSH Postfix MilterSignatures, disclaimers, auto replies and policy rules for Postfix

POLICY RULE Block risky attachmentswhen attachment extension in exe, js, vbs, isothen reject with 550 5.7.1, notify postmaster
  • Standard Milter API, no Postfix patches
  • Active Directory and OpenLDAP attribute sync
  • Run an external script when a rule matches
postfix-milter.com Successor of Disclaimer & Signatures, Traffic Policy and Autoresponder

Legacy products

No longer sold or supported. MSH Postfix Milter replaces the three Milter-based products. Existing licence holders can still reach downloads and documentation.

ProductForLast versionReplaced byDocs
MSH Disclaimer & Signatures Zimbra, Postfix 1.9.95 MSH Postfix Milter · MSH Zimbra Rules 1.9
MSH Traffic Policy Zimbra, Postfix 1.9.35 MSH Postfix Milter 1.9
MSH Autoresponder Postfix 1.5.22 MSH Postfix Milter 1.5
MSH Exchange Autoresponder Exchange 2007 to 2016 2.1.3 none 2.1

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