Skip to content
Back to the index

DuoCircle

duocircle.comEmail & SMS campaigns

No liveness check has reached it yet; it has been in the index since 9 Oct 2026. How this is checked

DuoCircle offers a portfolio of business email products for authentication, protection, delivery, and routing. Its services include SPF management, DMARC reporting, phishing and spam protection, outbound SMTP, developer email APIs, inbox placement testing, forwarding, migration, and backup MX.

Inferred · not functionally tested

WebCloud-managedAPI
DuoCircle preview
Visit duocircle.com

Overview

6 features

Purpose: Managing email authentication, security, delivery, and routing without relying on large incumbent providers.

Inferred · not functionally tested

Audience: Organizations and IT teams managing business email infrastructure

Inferred · not functionally tested

Functions: monitoring

Inferred · not functionally tested

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

Recorded constraints: pricing: unknown · license: Proprietary · platforms: WEB · deployment: browser, cloud_managed, api_only

Constraint provenance is unknown; confirm requirements with the publisher.

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

DuoCircle is an Email & SMS campaigns project. Inferred · not functionally tested: It focuses on managing email authentication, security, delivery, and routing without relying on large incumbent providers. Inferred · not functionally tested: It is built as a B2B product for organizations and IT teams managing business email infrastructure. Basis unknown · not verified: It ships for the web and API.

DuoCircle builds and maintains DuoCircle. Inferred · not functionally tested: Key capabilities include SPF Management, DMARC Reporting, and Mail Flow Monitoring. 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

  • SPF Management
  • DMARC Reporting
  • Mail Flow Monitoring
  • Phishing Protection
  • Spam Filtering
  • Outbound SMTP

Topics: Inferred · not functionally tested

Tags
email-infrastructuredmarc-monitoringsmtp-deliveryemail-securitymail-routing

JSON profile · Text profile · Access guide

Built with & integrations

Framework
Astro
Hosting
Vercel
Connectors
API
Runs on
BrowserCloud-managedAPI-only
Detected from
Astro
/_astro/ in the HTML
Vercel
x-vercel-id header · x-vercel-cache header

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of Service
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed8 Oct · 20:54 UTC
    Duocircle seen via Saashub
    Source: Saashub · Open

Frequently asked questions about DuoCircle

What does DuoCircle do?
Inferred · not functionally tested: DuoCircle focuses on managing email authentication, security, delivery, and routing without relying on large incumbent providers. It is catalogued under Email & SMS campaigns on PulseGate.
Who is DuoCircle for?
Inferred · not functionally tested: DuoCircle is a B2B product built for organizations and IT teams managing business email infrastructure.
What platforms does DuoCircle run on?
Basis unknown · not verified: DuoCircle runs on the web and API.
Is DuoCircle still active?
Unverified. DuoCircle has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to DuoCircle?
Similar projects tracked by PulseGate include Codo Mailer, Postalion, and Bouncify.Codo MailerPostalionBouncify
Who makes DuoCircle?
DuoCircle is developed by DuoCircle.
Does DuoCircle have an API or integrations?
Inferred · not functionally tested: Yes — DuoCircle exposes a public API.

Also in Email & SMS campaigns

Same category — not a similarity match