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Contact Us

Connect with the right Mattermost department to support your needs

Existing Customers

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Customer Technical Support

From rollout plans to integrations we’re here to help. Please email [email protected] or visit below.

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Mattermost Mailing Address

2100 Geng Road, Suite 210 Palo Alto, California 94303 United States
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Customer Billing Questions

Please email [email protected] or call (650) 667-8512 and ask for “Accounts Receivable.”
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Prospective Customers

Our experts can help you find the right solution, explain pricing options, or answer any of your questions.
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Open Source Community

Connect with the community to get peer-to-peer support.
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Mattermost Vendors

For vendor billing questions, please email [email protected] or call (650) 667-8512 and ask for “Accounts Payable.”