TrulyInbox

TrulyInbox is an email warmup platform that prices by daily warmup emails rather than charging per connected account on paid plans. That model is attractive for teams managing many low-volume sender accounts, provided the daily warmup pool fits the workload.

A SaaS product sends on behalf of its customers, so the deciding factors are tenant isolation, whether suppressions can be scoped rather than global, and whether support can answer why one specific account did not receive one specific email. Lifecycle automation and transactional sending usually need to coexist.

Against trial expiry notices, dunning, onboarding sequences, and per-tenant transactional mail, TrulyInbox covers multi-tenant support, event stream, and scheduling, and does not cover the suppressions API and webhook coverage. Whether that gap matters depends on how central those are to the build.

• Multi-tenant: Yes
• Event stream: Yes
• Suppressions API: No
• Operating since: Not published
• Scheduling: Yes
• Best published rate per 1,000: Tiers not published in comparable form
• Deliverability: Not a sender. Tracks warmup behavior, deliverability score, account health, and ESP-level analytics on higher tiers.
• Webhooks: No
• Starts at: $29/mo monthly, or $22/mo billed annually for Starter

Not a sender. Tracks warmup behavior, deliverability score, account health, and ESP-level analytics on higher tiers.

Teams that manage many sender accounts but want one shared warmup volume pool.

Teams that need a deliverability API today.