Find the layer that's failing.
We separate infrastructure problems from reputation problems, authentication failures and provider-side behavior.
- DNS + authentication
- SMTP / MTA logs
- 4xx / 5xx responses
- IP + domain reputation
EMAIL SYSTEMS / 2026
Email systems,
re-engineered.
We build, repair, migrate and optimize the infrastructure behind business email — from ESPs and SMTP relays to PowerMTA, Postfix and custom architectures.
MAIL FLOW / LIVE MODEL NOMINAL
ORIGINApplication
TRANSPORTESP / SMTP
CONTROLDNS + Auth
DESTINATIONMailbox provider
SPF · DKIM · DMARC · PTR · TLS · IP · DOMAIN · REPUTATION
POWER MTA×POSTFIX×AMAZON SES×SENDGRID×KLAVIYO×HUBSPOT×SMTP
CapabilitiesWhat we actually do
Your email stack is a system. We treat it like one.
Not every problem needs a new platform. Sometimes you need a clean configuration. Sometimes you need a different architecture. Sometimes the infrastructure is healthy and the real issue is reputation or delivery behavior.
01
Infrastructure Build
Design and configure ESP, MTA, SMTP, DNS and sending infrastructure from zero.
↗02Infrastructure Repair
Trace configuration, queue, authentication, routing and SMTP failures to their root.
↗03Architecture & Migration
Move ESP → MTA, MTA → ESP, MTA → MTA or into a hybrid architecture.
↗04Deliverability Engineering
Investigate inbox placement, reputation, bounces, throttling and provider behavior.
↗05Managed Deliverability
Ongoing monitoring of domains, IPs, authentication, reputation and mail flow.
↗06Campaign Operations
When you need execution too: campaign setup, segmentation, scheduling and reporting.
↗ArchitectureStack decisions
We don't sell a platform. We design the right path.
Your volume, mail type, team, risk tolerance and existing systems determine the architecture. We can work with your current ESP or MTA, replace it, or connect the pieces.
REFERENCE MAIL ARCHITECTURE / v1.0
ORIGINApps / CRM
DELIVERY LAYERESP / API / SMTP
MTAPowerMTA / Postfix
IDENTITYSPF / DKIM / DMARC
REPUTATIONIP / Domain / ISP
Keep
Repair and optimize what already works.
Change
Re-architect routing, providers or infrastructure.
Build
Create a controlled sending stack from scratch.
SPF•DKIM•DMARC•PTR•SMTP•POWER MTA•POSTFIX•REPUTATION•INBOX PLACEMENT•BOUNCE ANALYSIS•SPF•DKIM•DMARC•PTR•SMTP•POWER MTA•POSTFIX
ApproachEngineering method
No black boxes.
No random fixes.
Every engagement follows evidence: understand the mail flow, inspect the signals, isolate the failure, change the smallest necessary layer, then verify the result.
Fix the system, not the symptom.
Changes are designed around your current architecture, operational needs and long-term maintainability.
- Configuration repair
- Architecture migration
- Routing + queue tuning
- Monitoring + handover
EngagementScope first
Every system is different.
So is the solution.
We don't publish one-size-fits-all pricing. We first understand your infrastructure, sending model, providers, domains, IPs, volume and deliverability goals — then scope the right engagement.
Audit & Assessment
For teams that need a clear technical picture before making changes.
- DNS + authentication review
- ESP / MTA / SMTP assessment
- Reputation & delivery analysis
- Prioritized action plan
Build / Repair / Migrate
For new infrastructure, broken configurations and architecture changes.
- ESP / MTA architecture
- SMTP + DNS configuration
- Migration & repair
- Testing + handover
Managed Deliverability
For teams that want ongoing technical ownership and monitoring.
- Reputation monitoring
- Bounce + ISP analysis
- Infrastructure health
- Reporting + support
Start hereProject enquiry
What's happening
with your email?
Tell us what you have today — ESP, MTA, SMTP or a mixed architecture — and what needs to change. We'll help identify the right engagement.