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Engineering / ENG-1818

Reminders for EU clients still go through the US mail account

Project
Engineering
Type
Bug
Status
Done Done
Priority
High
Reporter
Elif Yildiz <elif.yildiz@acme-hq.example>
Assignee
Elif Yildiz <elif.yildiz@acme-hq.example>
Labels
data-residency
Components
notifier
Fix versions
notifier 2026.10.19
Sprint
Sprint 53
Created
19 Oct 2026, 07:10 UTC
Updated
19 Oct 2026, 11:10 UTC
Resolved
19 Oct 2026, 11:10 UTC

Description

Since 16 October EU clients' email goes through the Mailcrest EU account (OPS-50): src/send/sendNotice.ts picks the account by the client's region. Reminders don't use it: the reminder job sends through its own Mailcrest client with the US account's key. Found checking the US account's log this morning.

Steps to reproduce

  1. EU client, a request waiting 24 h.
  2. Check which account sent the reminder.

Expected: EU account. Actual: US account.

Fix

Every email goes through sendNotice; a test fails if any code builds its own mail client.

Linked issues

Comments (3)

Mira Holm · 19 Oct 2026, 09:20 UTC

1,240 reminders for EU clients went through the US account between Friday and today: the same as every email before Friday, and on the sub-processor list. No customer notification. Halden isn't a client yet; their onboarding test sends every kind of email.

Hanna Virtanen · 19 Oct 2026, 10:50 UTC

Verified on staging: reminder, decision, lockout and request emails for an EU client all leave from the EU account.

Elif Yildiz · 19 Oct 2026, 11:10 UTC

Deployed. Reminders for EU clients leave from the EU account from this afternoon's run.