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Recovery emails are sent from your own domain, under names you choose. Texts are sent under your brand name. Three things shape how your messages read:

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Sending domain

Emails are sent from your own domain, not from airdun.com or a shared address. You verify the domain once under Channels → Email, by adding the DNS records Airdun shows. A verified sending domain with a reply-to address is a required step of the setup checklist.

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Your templates or the AI writer

Each use case’s Messages page sets what Airdun sends:
  • Sequence: your own templates, sent as written, with only the AI variables you add filled in for the case. Each email template carries its own sender name and address.
  • AI writer: Airdun writes each email for the case, as one of your voices: a sender identity and tone (a name, a role, a way of writing). You steer it through which voices exist, each voice’s tone, and which one is primary. See Voices.
SMS has no voice: texts are short, fixed copy (or your own SMS template on New customers).

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Language

Airdun detects each customer’s language (from your app, your enrichment data, Stripe, then the billing country), unless you turn detection off for a use case. Messages are written in English, French, Spanish, German, Italian, Portuguese, or Dutch; a customer in another language gets your fallback language.
  • Templates: write them in any language. Airdun detects it when you publish, and translates them automatically.
  • AI writer: writes each email directly in the customer’s language.
  • French: template translations use “vous” unless you switch them to “tu” in the use case’s sending rules.

Voices

Create the AI writer’s voices and set which one is primary.

Channels Setup

Set up your sending domain and your other channels.