c2a5645c55c75a116641c512de0458697aab960d
3
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 flyemoji
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37ab87f07c |
docs(mail): say plainly what a green SMTP self-test does not prove
The Ping comment claimed the self-test could not produce a false negative and left the impression it therefore proved deliverability. It does not, and the distinction is the whole trap: a relay that gates sender identity at end-of-DATA gates it on the way OUT. Fastmail answers 250 for [email protected] addressed to the account's own mailbox and 551 5.7.1 "Not authorised to send from this header address" for that same From addressed to anyone else — and only the account's exact authorized identity passes the second one, another local-part on the same domain is refused too. So a green Ping means connect, TLS, AUTH and message shape are good, and nothing more; the operator still has to have authorized From as a sending identity with their provider, and the first real OTP is what proves they did. Addressing the self-test somewhere external would not fix it either — the only mailbox an operator can reliably check is usually inside the same account — so the honest move is to scope the claim rather than buy false confidence with a bigger probe. |
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flyemoji
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b3989fa4af |
fix(mail): prove SMTP deliverability before saving, and stop losing the relay
A live install passed the SMTP setup screen and then failed every one-time
code with a bare `internal error`. Four separate defects had to line up for
that, and each is fixed here.
The relay was configured with `from = noreply@<domain-A>` on an account
authenticated as `<user>@<domain-B>`. Providers that validate sender identity
— Fastmail among them — answer MAIL FROM with an unconditional 250 and only
refuse at end-of-DATA. Ping stopped at NOOP, so it never saw the refusal: the
wizard reported success, wrote the config, rolled felis-api, and every OTP
afterwards died at w.Close().
Ping now runs the same transaction a real code takes — connect, (STARTTLS,)
AUTH, MAIL FROM, RCPT TO, DATA — delivering one self-test message to the From
address, and SendOTP and Ping share deliver() so the check cannot drift from
the thing it checks. The self-test recipient cannot cause a false negative:
an authenticated submission relay accepts RCPT for any destination by
definition, while the sender identity it does validate is exactly what we
want tested. The setup screen now says a message will be sent, names the
address it went to, and warns that From must be an address the account is
allowed to send as.
A relay refusal also answered 500 `internal`, which reads as a broken panel
and sends the operator hunting through handler code instead of their [smtp]
block. It is now 502 `mail_undeliverable`, mapped inside deliverOTP so all
four doors that mail a code (onboarding, email login, op-login, migrate
step-up) answer alike. The relay's own text stays out of the response — it
can name the SMTP account, and these routes are reachable by any signed-in
player — and goes to the log instead.
writeError logged nothing when it collapsed an unmapped error to 500, so an
operator holding an `internal error` had nothing to grep for and diagnosis
degraded into guessing against a live install. It now logs the method, path,
wrapped chain and the same request_id the caller is shown.
Finally, write_felis_toml regenerated the config wholesale and never emitted
[smtp], so re-running the installer — the documented way to update felis-api —
silently erased a working relay and reverted OTP delivery to the no-Mailer
path, logging codes instead of sending them. It now carries the block forward,
cached on first read because the host toml is clobbered before the pod toml is
written. Same defect family as the root_domain loss fixed in
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flyemoji
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f0b79e9edd |
feat(mail): deliver email one-time codes over SMTP and add the setup email screen
Felis never actually sent mail: OTP codes for onboarding, email login and
op-login were only written to the felis-api log behind a "demo has no SMTP"
limitation, and the Settings/SMTP flow those comments promised was never
built. Combined with the bootstrap Owner's address being recorded unverified
(
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