ImprovMX vs. Postmark

Postmark is a transactional email delivery service focused on speed and deliverability. ImprovMX is a dedicated email forwarding service with SMTP sending capabilities.

Choose Postmark if you need a transactional email API for application-generated emails. Choose ImprovMX if you need email forwarding to your inbox and personal SMTP sending.

Feature

ImprovMX

Postmark

Primary Purpose

Email forwarding and SMTP sending

Transactional email delivery

Inbound Email

Native email forwarding to any inbox

Inbound processing via webhooks only

Pricing

Free plan available. Paid from $9/mo

No free plan. Pay per email volume

Email Forwarding

Rules routing, regexes, wildcards

No email forwarding

Email Send API

SMTP sending, send API in progress

Full REST sending API with templates

Deliverability

Managed IP reputation, fast forwarding

Industry-leading deliverability

Email Tracking

No open or click tracking

Full delivery and engagement tracking

Simplicity

Simple setup, no coding needed

Requires developer integration

Compliance

GDPR compliant

SOC II and GDPR compliant

Your domain deserves better email

Set up in minutes and forget about it.

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