SuperSend Relay provides the power of a composable MTA like Halon as a fully managed infrastructure, eliminating the need for a dedicated engineering team to manage servers.
A self-hosted Halon MTA requires a dedicated engineer. SuperSend's managed infrastructure provides the same scale without the headcount.
Halon gives you control but makes you manage IP reputation manually. A managed alternative automates rotation and warmup across 100s of domains.
Evaluating a Halon alternative often means the cost of infrastructure management now exceeds the benefits of total server-level control.
Our managed infrastructure is the ideal Halon alternative for teams who need to send 1M+ emails without managing servers or IP pools.
Teams choose composable MTAs like Halon for one reason: control. The ability to configure every aspect of the mail transfer agent is powerful. But as sending volume scales past 100k emails per month, that control comes with significant, often hidden, operational costs.
In 2025, the primary cost isn't the software license; it's the full-time engineering resources required to manage, maintain, and scale that infrastructure. Teams start looking for Halon alternatives when the time spent on server administration, IP reputation management, and deliverability firefighting outweighs the benefits of total control.
SuperSend Relay is built for these teams. It's a managed infrastructure layer that provides the scale and deliverability of a finely-tuned MTA without requiring you to become an email server expert. You get the performance without the operational overhead.
Organizations migrate from self-hosted MTAs like Halon when the operational burden becomes a bottleneck. The initial appeal of granular control gives way to the daily reality of infrastructure management.
The choice between Halon and SuperSend Relay comes down to a fundamental infrastructure tradeoff: do you want to manage servers or manage sending strategy?
Self-Hosted MTAs (Halon):
Managed Infrastructure (SuperSend Relay):
If you're evaluating Halon alternatives, you're likely feeling the pain of the self-hosted model. SuperSend Relay is for teams that require enterprise-grade infrastructure without the enterprise-grade headcount to manage it.
SuperSend Relay is designed as a direct architectural alternative to the operational challenges of self-hosted MTAs like Halon.
The core difference is the philosophy. Halon gives you a powerful engine and a box of tools. SuperSend Relay gives you a fully-managed, high-performance vehicle ready to drive.
SuperSend Relay is not the right fit for every team. A self-hosted MTA like Halon remains the better choice in specific scenarios:
Migrating from a self-hosted MTA like Halon to SuperSend Relay is a straightforward, infrastructure-focused process designed to ensure zero downtime and maintain sending reputation.
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