All email now delivered from the EU
Every message we send, yours to your contacts and ours to you, is delivered by Amazon SES in Frankfurt.
One suppression list, two streams
A single suppression list covers customer sending and our own account mail, and it is enforced at send time rather than at list-build time. A bounce or a complaint blocks every stream, because both are statements about whether the address can receive mail at all. An unsubscribe blocks marketing only, because it is a statement about consent rather than about deliverability.
Deliveries, bounces and complaints come back through a signed event pipeline and are processed within seconds, so the list reflects reality rather than yesterday's reality.
Why the region matters
For a product sold to European teams, where mail is processed is a contractual question rather than an implementation detail. Customer sending and account mail go through the same provider in the same region, so there is one answer to that question, and it is the same answer for a campaign to your whole list and for a single password reset.
The GDPR page lists that provider and its region with the other sub-processors.
Related: EU data residency, GDPR and sub-processors
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