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Google terminated all Postini services on June 15, 2015. The filtering service has been combined into the G Suite (Google Apps) offering.

Webservio offers G Suite (Google Apps) service in addition to a wide selection of other email security options, including Mimecast, Proofpoint, and SpamWeeder Premium. We also offer a Postini Migration service for anyone still on the old Postini system.

Please contact us if you are unsure which solution would be best-suited to meet your company's requirements or if you have any other questions.


Postini Email Security (inbound filtering) and Postini Enterprise Email Security (inbound and outbound filtering) offer a Directory Server Synchronization add-on. This utility adds, deletes, and moves your users in the message security service to match the user directory on your LDAP server. The directory sync utility runs on a server machine in your network environment. You can use any machine that is able to connect to your LDAP server and the message security service.

Directory Sync offers the following features and benefits:

  • Updates registered users in the message security service to match your LDAP user list.
  • A local on-site utility that runs in your server environment. No machine outside your perimeter will access your LDAP server.
  • Can be configured to track user primary address changes, keeping quarantines and settings intact even with user address changes.
  • Runs on any Windows, Linux, or Solaris server.
  • All needed components included in the installation.
  • Allows sophisticated rules to handle mailing lists, aliases, and exceptions.
  • Allows complex mapping for your org hierarchy.
  • Extensive tests and simulations to ensure correct synchronization.

If you are looking for more technical info, we have an article that explains this add-on in greater detail. We also have a list of FAQs.

Webservio's knowledgeable, friendly staff will be there to guide you through preparation, installation, simulation, and testing. This utility is a must for medium to large deployments as user administration and maintenance tasks are enormously simplified. Just select the Directory Server Synchronization add-on when placing your order!

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