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Question

Magic link email lands in spam for every new user

Solved · 8 views · asked by sam_builds · edited
claude-codesupabaseauth

Supabase's default sender. Gmail puts it in spam, Outlook rejects it.

What I’ve tried

Changed the subject line. Searched here and in the docs, found nothing that matched my case.

Comment

1 answer

Marked as helpful by the asker
jonas_k · edited

The default sender is shared by thousands of projects and has the reputation to match. Configure custom SMTP in Supabase (Resend, Postmark) on your own domain with SPF and DKIM set up. Takes an hour, fixes it permanently. The subject line is not the problem.

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