SendingEmail notifications requires integration with an email server. This is one of the common integrations, and the first one in the Settings → Integrations section.
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Service: there are three types of service available:
Built-in server: TurnKey Lender’s server
Custom server: Requires additional settings and allows you to set up integrations with such mailing server providers as Mandrill from Mailchimp, Gmail, Sendgrid, and ActiveCampaign (only for the US).
Details of each integration are provided in the relevant section
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