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This service can serve both cchmc and non CCHMC members. A list manager must be designated and will be given access to a management portal where they can add/remove/modify members and list behaviors.  Note, archiving is not implemented on the Mailman system or supported. Those messages will be kept on the recipient's email client per their organization's archiving guidelines. If you've decided that you need a Mailman list or have more questions please email  

  • Mailchimp

Mailchimp is an external service, that is used as a one-way distribution list. You send messages out to the list ( and none addresses), but recipients can not reply to the list. Common examples are marking information or newsletters. see for more information.  This service is not managed by CCHMC, departments/groups wanting to use Mailchimp must contact them directly and pay any applicable fees.