$/transactional-email-api providers ↗
head to head

MailReach vs TrulyInbox

Per-mailbox warmup and spam testing versus warmup priced by daily email volume.

What matters for teams choosing a transactional API

Judged purely as an API. What the request contract guarantees on retry, how complete the webhook event coverage is, whether suppressions are readable and writable programmatically, and how much the message log retains when something needs debugging in production.

Priority MailReach TrulyInbox
Idempotency keys No No
Webhooks Yes No
Event stream Yes Yes
Operating since Not published Not published
Suppressions API No No
Best published rate per 1,000 Tiers not published in comparable form Tiers not published in comparable form
Batch sending No No
SDKs None None
Deliverability Not a sender. Helps monitor mailbox reputation, warmup behavior, blacklist status, SPF, DKIM, DMARC, and inbox placement test results. Not a sender. Tracks warmup behavior, deliverability score, account health, and ESP-level analytics on higher tiers.

For a transactional workload running high-frequency programmatic sends where a missed delivery is a product failure, MailReach takes every priority that separates them here (webhook coverage), while TrulyInbox matches it on the rest. That ordering reflects this audience. Weigh the same table differently and the answer changes.

Side by side

Feature MailReach TrulyInbox
Webhooks Yes No
SDKs None None
Deliverability Not a sender. Helps monitor mailbox reputation, warmup behavior, blacklist status, SPF, DKIM, DMARC, and inbox placement test results. Not a sender. Tracks warmup behavior, deliverability score, account health, and ESP-level analytics on higher tiers.
Tagline Email warmup plus spam testing for outbound teams. Warmup priced by daily emails instead of connected accounts.
Free tier No permanent free plan published Free forever for 1 account and 10 warmup emails/day
Starts at $19.50/mailbox/mo shown in the published pricing calculator $29/mo monthly, or $22/mo billed annually for Starter
Pricing model tiered tiered
API No No
SMTP No No
Templates none none
React Email No No
Inbound No No
Multi-tenant Yes Yes
Idempotency No No
Dedicated IP No No
DX score 7/10 7/10
Best for B2B outbound teams that want warmup, spam testing, and reputation tracking in one product. Teams that manage many sender accounts but want one shared warmup volume pool.

MailReach

pros
  • Warmup and spam testing are bundled
  • Works with common mailbox and ESP setups that support SMTP
  • Includes domain and inbox health checks
  • Agency pricing path exists
cons
  • No permanent free plan is published
  • Per-mailbox pricing can scale quickly for outreach teams
  • Warmup does not fix poor targeting or bad list acquisition

TrulyInbox

pros
  • Free forever plan for one account
  • Paid plans allow unlimited connected accounts
  • Pricing by daily warmup volume is easier for multi-account teams to model
  • 7-day trial on paid plans
cons
  • API access is listed as coming soon, not currently available
  • Warmup volume is still capped by plan
  • Warmup is not a substitute for permission-based sending