Ready for your biggest day, every day
Subscribers can’t convert on messages they don’t receive, which is why we continually invest in our industry-leading throughput and deliverability infrastructure.


Built-in guardrails to protect brands from carrier filtering
Automated double opt-in compliance
Infrastructure built to handle enterprise-level sending volume
In-house deliverability and compliance experts ready to help
8+ years of carrier relations
SMS & RCS Deliverability
We maintain strategic partnerships with multiple top-tier aggregators to give merchants optimal speed to market, deliverability, reliability, and throughput. Our deep integrations give us real-time visibility into carrier queues, allowing us to proactively identify carrier delays and help you navigate them with as little impact as possible.


Email Deliverability
Our email platform employs an intelligent queuing system to ensure email throughput complies with mailbox provider requirements. IPs and domains are architected to industry best practices to protect customer reputation and ensure inbox placement. We focus on deliverability while onboarding customers to build the strongest possible sending reputation.
Constant monitoring through observability tools and a dedicated team expedites onboarding while minimizing deliverability issues
Robust analytics to spot problems while optimizing highly performant segments and creatives
Optimized throughput to ensure large campaigns don’t slow down low volume/high value transactional or programmatic emails
Deep industry expertise and relationships ensures Postscript is in lockstep with the ecosystem and evolution of the channel