Email template test inbox
Optional default address for Send test on templates. Empty prompts for an address each time.
Email template test inbox
Optional default address used when you click Send test on a template. Test subjects are prefixed with [Test].
Where to find it
Admin → Settings → Emails → Test inbox
Setting key: email_template_test_inbox
Default: empty. Max ~320 characters; must be a valid email when non-empty.
If empty, Send test asks for an address each time.