SMTP relay built for production mail
Connect applications and mail clients through SMTP with infrastructure that understands reputation, isolation, and operational visibility.
SMTP relay
Port 587
Production SMTP path
At a glance
Plain-language summary for buyers, operators, and search engines.
In simple terms
SMTP relay forwards mail through an outbound service so your apps do not need to run MTAs themselves.
Why it matters
Raw SMTP without controls becomes a deliverability incident waiting to happen—especially across multiple domains and teams.
How CloudJet handles it
CloudJet combines SMTP access with verification, routing, monitoring, and protection workflows in one platform.
Production SMTP without mystery routing
SMTP relay with explicit paths, authentication, and operational visibility.
SMTP relay
Port 587 · TLS
CloudJet capability
Port 587 TLS
Standard production path your apps already expect.
Traceable sends
Message IDs and events tied to routing lanes.
Policy aware
Pre-send protection applies before relay accepts mail.
Port 587 TLS
Standard production path your apps already expect.
Traceable sends
Message IDs and events tied to routing lanes.
Policy aware
Pre-send protection applies before relay accepts mail.
SMTP + platform controls
01
Use SMTP where it fits your stack—alongside APIs, webhooks, and dashboards that show what changed when something breaks.
02
Ideal for transactional systems, legacy apps, and teams standardizing outbound through one provider.
Related pages
Continue exploring capabilities that connect to this topic.
Questions & answers
Short, direct answers about this capability.
APIs excel for programmatic orchestration and structured events; SMTP fits existing apps and mail pipelines. Many teams use both.
See this in your stack
Start with verified domains and the guardrails that match this workflow.