SendPost review

SendPost is an email sending and deliverability platform for teams that send transactional or marketing email at scale. It combines an Email API and SMTP relay with tools for monitoring delivery and managing sending traffic. The published feature set centers on delivery operations, not campaign creation: it covers ISP responses, IP and domain reputation, sender performance, routing, queues and throttling.

SendPost also offers automation for IP warmup, retries, backoff and throttling, plus webhooks for email events. Its deliverability CRM is described as a place to track incidents, root causes, reputation history and team workflows. That makes it relevant to deliverability specialists, developers and businesses managing their own sending infrastructure. It is less obviously a fit for a marketer looking mainly for a campaign editor or a broad all-in-one marketing suite; those capabilities are not described in the published product details.

Recorded public monthly tiers start at $7 for 10,000 emails. Annual prices are not published.

SendPost’s clearest strength is the number of controls it puts around delivery. Teams can use per-ISP throttling, sender queues, routing and shared or dedicated IP pools, rather than treating all traffic as one undifferentiated stream. The product also tracks ISP responses, IP and domain reputation, and sender performance, giving deliverability staff several kinds of signals to monitor.

The feature set covers both visibility and action:

• AI alerts flag changes in bounces, deferrals and reputation, with notifications through Slack or email.
• Sending automation handles IP warmup, throttling, backoff and retries.
• An Email API and SMTP relay provide two stated integration routes, while webhooks report email events.
• The deliverability CRM records incidents, root causes, reputation history and recurring patterns, alongside team workflows.

That combination may suit teams that need to investigate delivery problems and adjust traffic without separating monitoring from sending controls. For a switch, the practical question is whether those controls match your current routing and incident workflows; the published information does not establish how a migration is handled.

The main pricing risk is the gap between listed volume and the information available about overages. The recorded tiers are $7 per month for 10,000 emails, $197 for 600,000, and $997 for 3,000,000. Each lists additional email costs, but the per-email overage rate is not published. A team that regularly exceeds its allowance cannot calculate its full bill from these figures alone.

Annual prices are not published, and current self-serve pricing is available on request after scheduling a demo. The published pricing information lists no free plan; trial availability is not published. That makes it harder to compare SendPost’s total cost with a provider whose overage and annual rates are clear. The tier caps also matter: the listed Scale allowance stops at 3,000,000 emails per month, and no higher public tier or higher-volume rate is provided. We’d get the overage rate and pricing above that cap in writing before treating any tier as a reliable budget.

SendPost’s listed monthly tiers are $7 for Starter (10,000 emails), $197 for Growth (600,000), and $997 for Scale (3 million). The jump from Starter to Growth is $190 a month—about 28 times the price for 60 times the listed volume. Growth to Scale adds $800 a month for five times the volume.

Those figures don’t settle your actual bill: all plans list email overages, but the per-email rate is not published. Annual pricing is also not published. The pricing record says current self-serve pricing is available on request after scheduling a demo, so confirm the applicable price before committing. It lists no free plan; trial availability is not specified on the vendor's site. Prices were checked November 6, 2026, with medium confidence. If your volume is hard to forecast, the missing overage rate makes the headline tier price an incomplete budget.

Treat a move to SendPost as a sending-infrastructure change, not just an account signup. It supports an Email API or SMTP relay, plus webhooks for email events, so map your current connection and event handling before switching. You’ll also need to plan how to carry over sending routes, queues, throttling, retries, and IP warmup; SendPost lists controls for these, but the published material doesn’t describe migration tooling.

Before signing, ask how to export deliverability history, incidents, reputation data, and event records. SendPost says its Deliverability CRM tracks those kinds of information, but export formats and account-exit procedures are not published here. That makes data portability and lock-in questions unresolved—not proof that exports are unavailable. We can’t responsibly summarize why Reddit users leave: no Reddit posts or comments were included in the published material. Ask SendPost directly about migration assistance, export access, and what happens to your sending setup if you cancel.