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PostMTA

postmta.comEmail & SMS campaigns🇨🇦

PulseGate's last liveness check, on 13 Sep 2026, did not settle whether it is still available; it has been in the index since 26 Jun 2026. How this is checked

PostMTA is an enterprise-grade, self-hosted email delivery platform built on KumoMTA. It offers REST APIs, deliverability analytics, DKIM/DMARC/BIMI support, IP warmup automation, and bounce management for organizations sending high volumes of email. Designed for businesses needing robust email infrastructure.

Inferred · not functionally tested

PaidWebAPISelf-hosted
PostMTA preview
Visit postmta.com

Overview

6 features

Purpose: Organizations need reliable, scalable, and automated infrastructure for high-volume email delivery and analytics.

Inferred · not functionally tested

Audience: enterprises and businesses with large-scale email needs

Inferred · not functionally tested

Functions: analytics, monitoring

Inferred · not functionally tested

Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: unknown · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: paid · license: Proprietary · platforms: API, WEB · deployment: browser, api_only, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: postmta.com. These links do not verify the individual claims.

PostMTA sits in PulseGate's Email & SMS campaigns category. Inferred · not functionally tested: Organizations need reliable, scalable, and automated infrastructure for high-volume email delivery and analytics. Inferred · not functionally tested: PostMTA is a B2B product aimed at enterprises and businesses with large-scale email needs. Basis unknown · not verified: Pricing is paid. Basis unknown · not verified: PostMTA is available on the web and API, and it can be self-hosted.

PostMTA first shipped in 2023. Inferred · not functionally tested: Among its 6 catalogued features are email delivery, REST API, and DKIM/DMARC/BIMI support. Inferred · not functionally tested: Catalogued interfaces include a public API.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Email delivery
  • REST API
  • DKIM/DMARC/BIMI support
  • IP warmup automation
  • Bounce management
  • SMTP relay

Topics: Inferred · not functionally tested

Tags
email-deliverysmtp-relaydeliverability-analytics

JSON profile · Text profile · Access guide

Built with & integrations

Hosting
Cloudflare
Connectors
API
Runs on
BrowserAPI-onlySelf-hosted
Detected from
Cloudflare
cf-ray header · cf-cache-status header

Trust & compliance

Public signals
HTTPS

Indexing history

What PulseGate has recorded for this listing

Nothing recorded for this listing in this window.

Frequently asked questions about PostMTA

What is PostMTA?
Inferred · not functionally tested: Organizations need reliable, scalable, and automated infrastructure for high-volume email delivery and analytics. It is catalogued under Email & SMS campaigns on PulseGate.
Who should use PostMTA?
Inferred · not functionally tested: PostMTA is a B2B product built for enterprises and businesses with large-scale email needs.
Is PostMTA free?
Basis unknown · not verified: No — PostMTA is paid.
What platforms does PostMTA run on?
Basis unknown · not verified: PostMTA runs on the web and API. It can also be self-hosted.
Is PostMTA still maintained?
Unverified. PulseGate's last liveness check, on 13 Sep 2026, did not reach a finding either way — and only a positive finding would say otherwise.
How long has PostMTA been around?
PostMTA first shipped in 2023.
Does PostMTA have an API or integrations?
Inferred · not functionally tested: Yes — PostMTA exposes a public API.

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