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Mailman Migration

Updated 2008-03-10 4:00 PM

CalMail has moved its mailing list service from Majordomo to Mailman. While they are both mailing list managers, Mailman is not fully feature compatible with Majordomo. Majordomo has features that Mailman lacks, and Mailman has features that Majordomo lacks. We migrated as many settings as we could from Majordomo to Mailman. The vast majority of lists should operate exactly the same as before.

Majordomo was deployed on a single, non-redundant server. The Mailman service is highly available, operating with six servers. There are three new backend servers processing mail, and our existing webmail machines are handling the web "Manage Your Mailing Lists" functionality. The new Mailman system has far more capacity than the Majordomo system, and emails sent to lists should arrive to all subscribers almost instantaneously. There were often delays with the older Majordomo system.

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If you have any questions, please contact CalMail consult.

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