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fix: repaired smtp configuration for port 587
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Simon 2026-03-16 14:00:23 +01:00
parent 837f5fd5bf
commit e95c1d6254
Signed by: simon
GPG key ID: 40E7A58C4AA1EDB2
6 changed files with 138 additions and 20 deletions
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docs/smtp-configuration-concept.md
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@ -105,7 +105,7 @@ By default, TLS certificate verification is relaxed (`verify_none`) so self-sign
- **ENV (prod):** Set `SMTP_VERIFY_PEER=true` (or `1`/`yes`) when configuring SMTP via environment variables in `config/runtime.exs`. This sets `config :mv, :smtp_verify_peer` and is used for both boot-time and per-send config.
- **Default:** `false` (verify_none) for backward compatibility and internal/self-signed certs.
Both `tls_options` (STARTTLS, port 587) and `sockopts` (direct SSL, port 465) use the same verify mode. The logic is duplicated in `config/runtime.exs` (boot) and `Mv.Mailer.smtp_config/0` (Settings-only); keep in sync.
Verify mode is set in `tls_options` for port 587 (STARTTLS). For port 465 (implicit SSL), the initial connection is `ssl:connect`, so we also pass `sockopts: [verify: verify_mode]` so the SSL handshake uses the same mode. For 587 we must not pass `verify` in sockopts—gen_tcp is used first and rejects it (ArgumentError). The logic is in `config/runtime.exs` (boot) and `Mv.Mailer.smtp_config/0` (Settings-only); keep in sync.
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@ -117,7 +117,7 @@ Both `tls_options` (STARTTLS, port 587) and `sockopts` (direct SSL, port 465) us
- [x] Password from file: `SMTP_PASSWORD_FILE` supported in `runtime.exs`.
- [x] Mailer: Swoosh SMTP adapter configured from merged ENV + Settings when SMTP is configured.
- [x] Per-request SMTP config via `Mv.Mailer.smtp_config/0` for Settings-only scenarios.
- [x] TLS certificate validation relaxed for OTP 27 (tls_options + sockopts).
- [x] TLS certificate validation relaxed for OTP 27 (tls_options for 587; sockopts with verify only for 465).
- [x] Prod warning: clear message in Settings when SMTP is not configured.
- [x] Test email: form with recipient field, translatable content, classified success/error messages.
- [x] Join confirmation email: uses `Mailer.smtp_config/0` (same as test mail); on failure returns `{:error, :email_delivery_failed}`, error shown in JoinLive, logged for admin.