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feat(web): send our own mail straight to Amazon SES over SMTP - #668
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The web app and GoTrue move off the mailcow relay onto SES's SMTP endpoint (the SES side, IAM user and env changes live outside this repository). - Every message names the SES configuration set from SES_CONFIGURATION_SET and carries its kind as an X-SES-MESSAGE-TAGS tag, so bounce and complaint events say which mail they were about. EmailMessage.kind is required. - The send logs SES's message id (from its 250 reply) with the kind. - The unused Resend fallback and the resend dependency are gone; production requires SMTP_HOST. - Docs: the SES setup and why GoTrue gets its configuration set from the noreply@webhooks.cc address identity. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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What
Moves the hooks.cc family's transactional mail off the mailcow relay and onto Amazon SES's SMTP endpoint directly. The web app and GoTrue both send from
noreply@webhooks.ccwith one scoped IAM user.SES_CONFIGURATION_SET(X-SES-CONFIGURATION-SET) and carries its kind as a message tag (X-SES-MESSAGE-TAGS: kind=...). Bounce and complaint events then say which mail they were about.EmailMessage.kindis now required, and every caller names one.250 Ok <id>reply) together with the kind, so a bounce event can be matched to a send. Addresses and contents are never logged.resenddependency are gone. Production now requiresSMTP_HOST.infra/supabase/gotrue-email-auth.mddescribes the SES side, including why GoTrue gets its configuration set from thenoreply@webhooks.ccaddress identity's default (GoTrue cannot add headers). AGENTS.md records the SMTP-over-API decision.Why SMTP rather than the SESv2 API
GoTrue can only send over SMTP, so it needs a derived SMTP password whatever the app does. At about 100 messages a month, everything the API offers (config set, tags, message id, error classes) is reachable over SMTP with headers and reply codes. SMTP keeps one credential, one IAM action, one path to test and no new dependency (
@aws-sdk/client-sesv2would add about 24 packages).Rollout
The SES config set, address identity, IAM user and SNS events are set up outside this repository. The production env change (
SMTP_HOST,SMTP_USER,SMTP_PASS, andSES_CONFIGURATION_SETfor the app) is applied by hand. Deploying this PR before that change is safe: withoutSES_CONFIGURATION_SET, no SES headers are sent and mail keeps going through mailcow.Tests
pnpm test(web unit suite): 1773 passed, including a new test for the SES headers and message-id parsing.tsc --noEmitand Prettier: clean.🤖 Generated with Claude Code