Deliverability

Multi-Tenant Reputation Isolation

Per-customer sending reputation. Your deliverability is never affected by other senders on the platform.

How it works

1

Isolated by default

Every Transmit customer gets isolated sending reputation from day one. No setup required.

2

Protected from noisy neighbors

If another sender on the platform has deliverability issues, it doesn't affect your reputation or inbox placement.

3

Independent tracking

Your bounce rates, complaint rates, and engagement metrics are tracked separately. Your reputation is yours alone.

4

Consistent inbox placement

With isolated reputation, your transactional emails reliably land in the inbox , every time.

Capabilities

No Shared Infrastructure Risk

Unlike providers with shared sending pools, your reputation is completely isolated. Bad actors on the platform can't hurt your deliverability.

Per-Customer Tracking

Bounce rates, complaint rates, and engagement metrics are tracked independently for each customer. Your metrics reflect only your sending behavior.

Build Your Own Reputation

Start fresh and build your sender reputation through your own sending practices. Good behavior is rewarded with better deliverability.

Enterprise-Grade Isolation

The same isolation architecture used by high-volume enterprise senders, available on every Transmit plan.

Reputation Metrics (API Response)

json
{
  "domain": "mail.yourapp.com",
  "reputation": {
    "score": 94,
    "status": "healthy",
    "bounceRate": 0.8,
    "complaintRate": 0.02,
    "lastUpdated": "2025-02-06T10:30:00Z"
  },
  "isolation": {
    "enabled": true,
    "type": "per-customer"
  },
  "recommendations": []
}

Related features

Deliverability

Domain Warmup

Automated IP and domain warming with exponential ramp-up. Auto-pause on high bounce rates protects your sender reputation.

BYOK

Bring Your Own Keys (BYOK)

Connect your own AWS account for full infrastructure control. One-click IAM role setup with AES-256 encrypted credential storage.

Frequently Asked Questions

What is reputation isolation?
Reputation isolation means your sending reputation is tracked separately from other customers on the platform. If another sender has spam complaints or high bounce rates, it doesn't affect your deliverability.
How is this different from shared infrastructure?
On shared infrastructure (used by most email providers), all customers share the same reputation pool. One bad sender can tank deliverability for everyone. With isolation, each customer's reputation is independent.
Do I need a dedicated IP for reputation isolation?
No. Transmit provides reputation isolation without requiring dedicated IPs. You get the benefits of isolated reputation without the cost, warmup requirements, or minimum volume thresholds of dedicated IPs.
Is reputation isolation available on all plans?
Yes. Every Transmit customer gets reputation isolation by default, regardless of plan. It's a core part of our infrastructure, not a premium add-on.
How can I monitor my reputation?
Your dashboard shows real-time reputation metrics including bounce rates, complaint rates, and overall reputation score. You'll get alerts if any metrics approach dangerous thresholds.
Get started in minutes

Start sending with Transmit

Set up in minutes. Volume-based pricing starts at $2/month.