Isolate · Blast-radius control
One bad tenant should never break email for the rest.
Sendarix walls off tenants, domains and traffic classes into separate reputation pools. When one customer triggers complaints or abuse, the damage stays contained — everyone else keeps delivering.
| Tenant | Pool | Signal | Status |
|---|---|---|---|
| acme-corp | dedicated-ip-12 | Clean sends | healthy |
| northwind | shared-eu-3 | Stable | healthy |
| tenant_8842 | quarantine-1 | Complaints rising | isolated |
| globex | shared-us-1 | Stable | healthy |
Representative product UI — illustrative data, not live customer metrics.
The multi-tenant problem
Shared reputation is shared risk.
In a single shared sending pool, one tenant’s spam complaints, bounces or abuse drag down inbox placement for every customer on the platform. Isolation turns a platform-wide incident into a single-tenant one.
Shared reputation pool
no control planeOne abusive tenant poisons the pool — every customer degrades.
Isolated with Sendarix
blast radius containedThe bad tenant is quarantined to its own pool — everyone else stays healthy.
The isolation model
Per-tenant domains, pools and reputation.
Assign tenants to dedicated or shared pools, track reputation per tenant, and quarantine risky senders automatically before they spread.
Per-tenant domains
Each customer sends from its own authenticated domain with isolated DKIM and reputation.
Dedicated & shared pools
Place high-value tenants on dedicated IPs and group the rest into managed shared pools.
Automatic quarantine
When a tenant’s complaint rate spikes, Sendarix moves it to a quarantine pool — no platform-wide fallout.
Per-tenant suppression
Bounces and complaints suppress per tenant, so one customer’s list hygiene never affects another’s.
Representative product UI shown with illustrative data.
Contain the blast radius across every tenant.
Protect each customer’s deliverability with isolation built into the routing layer.
