Automate IP warmups, throttle intelligently, and route traffic smartly — all designed for inbox success at scale.
From smart IP warmups to ISP-aware throttling, SendPost Pro Deliverability Tools give you control where it matters most.
Automatically ramp up email volume on new IPs while routing overflow traffic smartly.
Prevent deferrals by staying within ISP limits on volume and concurrency.
Route email through the right IPs based on volume or destination ISP behavior.
You set the rules. We throttle, warm up, and route with precision — all aimed at maximizing your inbox reach.
Configure warmup settings or let SendPost auto-pilot your ramp-up process across new IPs.
Set concurrency rules and per-ISP limits to stay within accepted thresholds and reduce rejections.
Define rules for traffic routing based on IP reputation, destination, or campaign type.
Everything you need to know about SendX and email marketing
SendPost automatically splits traffic during warmup, gradually increasing volume on your dedicated IP and routing excess via shared IPs.
Yes. You can set manual concurrency and volume rules per provider, or rely on intelligent defaults.
Absolutely. You can route mail from specific IPs to Gmail, Outlook, etc., based on past reputation and performance.
Absolutely. SendPost is designed for developers. We offer a robust Email API, SMTP relay service, and SDKs in over 14 programming languages. Additionally, our Email Webhooks allow you to receive real-time event data directly in your application for seamless integration and workflow automation.
Yes, we offer a very generous free forever plan that includes up to 25,000 free emails every month. This plan is designed to give you the freedom to build, test, and fully integrate SendPost into your application without any cost or commitment. No credit card is required to sign up.
Still have questions? We're here to help.
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