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Conduit sends email for two things: workspace invites, whose link only ever travels in the email, and a notice to a workspace’s owners and admins when another workspace takes over verification of one of its domains. Until email is set up, admins can’t invite anyone. Email is one setting for the whole instance, so an instance administrator sets it up in Settings → Instance → Email.

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Set up a provider

Conduit sends through one of three providers: SMTP (any mail server), Resend, or AWS SES.
  1. Open Settings → Instance → Email. At the top, enter the From address email is sent from, and optionally a From name. Every provider sends as this sender.
  2. Expand the provider you want.
  3. Fill in the provider’s settings:
    • SMTP: the server’s Host, Port and Encryption, and a Username and Password if the server requires them.
    • Resend: an API Key.
    • AWS SES: the Region your sending identity is verified in, and an IAM Access Key ID and Secret Access Key allowed to send through SES. A region missing from the list can be entered under Other region…. Only the standard AWS partition is supported.
  4. Select Save and use the provider. This saves the sender too.
Conduit refuses settings that can’t send, such as SES without a region, and says what’s missing. The active provider is outlined and marked Active. Secrets are never shown again after saving; leave a secret field empty to keep the saved one. The SMTP password is kept only for the server it was entered for: changing the SMTP host or port needs the password re-entered. Conduit reaches the provider from your network, so allow its host: see Network access.

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Switch or turn off

Every provider’s settings are kept, so you can fill in or check another provider while the active one keeps sending. Saving that provider’s form switches all email to it. To change only the sender, edit it and select Save sender. Turn off email stops all sending, invites included, and keeps every provider’s settings for when you turn it back on.

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When sends fail

A send that fails leaves the invite saved; the admin who sent it is told the email didn’t go out and can resend it once email works. The reason is in the server log. If the active provider’s saved settings are missing something they need, Settings → Instance → Email says what.