Sendmarc

Spec sheet

What it does

Sendmarc is a hosted DMARC platform for implementing, monitoring and enforcing email authentication against spoofing and phishing.Read 15 Oct 2026 · sendmarc.com

Purpose

Sendmarc provides a DMARC management platform for monitoring and enforcing email authentication across domains.Read 9 Oct 2026 · sendmarc.com

API

Sendmarc provides API access for automation and integration with SIEM systems.Read 9 Oct 2026 · sendmarc.com

Support

The pricing page lists knowledgebase, alert management, email support, and phone and remote support among support features.Read 9 Oct 2026 · sendmarc.com

Headquarters

Wilmington, Delaware, USARead 28 Sep 2026 · sendmarc.com

API token handling

API tokens are created from user administration, assigned rights and shown once for secure storage.Read 15 Oct 2026 · help.sendmarc.com

Authentication standards

The platform supports DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT management.Read 9 Oct 2026 · sendmarc.com

BIMI

Sendmarc supports BIMI configuration and hosting so brand logos can appear in recipient inboxes.Read 15 Oct 2026 · sendmarc.com

Breach detection

Breach Detection provides dark-web and credential-breach monitoring as an add-on to Premium.Read 15 Oct 2026 · sendmarc.com

Browser extension

A partner-portal domain-scoring extension supports Chrome and Firefox and requires a Sendmarc API personal access token.Read 15 Oct 2026 · help.sendmarc.com

Company history

Sendmarc says it was founded by Sam Hutchinson, Keith Thompson, and Sacha Matulovich; it does not state a founding year on the page.Read 9 Oct 2026 · sendmarc.com

Company profile

LinkedIn lists Sendmarc as privately held, founded in 2018, headquartered in Wilmington, Delaware, with 51–200 employees.Read 15 Oct 2026 · linkedin.com

DMARC automation

The service collects XML DMARC reports, analyzes them and presents actionable findings with automated alerts.Read 15 Oct 2026 · sendmarc.com

DNS management

Sendmarc generates and manages DMARC, SPF and DKIM records through guided delegation and hosted records.Read 15 Oct 2026 · sendmarc.com

Documentation

The help center contains portal guides, partner guides and integration articles covering reports, DNS, DMARC, SPF, DKIM and SPF flattening.Read 15 Oct 2026 · help.sendmarc.com

Forensic reporting

Premium plans include forensic failure reports, blocklist reporting and threat reporting.Read 15 Oct 2026 · sendmarc.com

Founders

Sendmarc says it was founded by Sam Hutchinson, Keith Thompson and Sacha Matulovich.Read 15 Oct 2026 · sendmarc.com

Intended customers

Sendmarc describes its solutions as serving businesses of all sizes, including enterprises, governments, SMEs, and MSPs.Read 9 Oct 2026 · sendmarc.com

Legal entity

The privacy policy identifies Sendmarc Inc. as registered in the USA under SR#20230211167 at 221 W 9th St, Wilmington, Delaware.Read 15 Oct 2026 · sendmarc.com

Licence

The terms grant a limited, non-exclusive subscription right to cloud services, prohibit copying or reverse engineering, and reserve intellectual property to Sendmarc.Read 15 Oct 2026 · sendmarc.com

Limit: beginner guidance

Some G2 reviewers say technical reporting is difficult for nontechnical users and ask for stronger tutorials, onboarding and executive summaries.Read 15 Oct 2026 · g2.com

Limit: DNS dependency

A G2 reviewer notes that incorrectly configured SPF or DKIM limits the effectiveness of a reject policy.Read 15 Oct 2026 · g2.com

Listed price on Capterra

Capterra displays a starting price of $45 flat rate per month and marks a free trial and free version as available.Read 15 Oct 2026 · capterra.com

Lookalike defense

Lookalike Domain Defense monitors impersonating domains and alerts customers to them.Read 15 Oct 2026 · sendmarc.com

MTA-STS and TLS-RPT

The service manages MTA-STS and TLS reporting records for encrypted mail transport visibility.Read 15 Oct 2026 · help.sendmarc.com

Notable release: portal security

In May 2025 Sendmarc added mandatory email verification before portal access and removed password fields from user creation.Read 15 Oct 2026 · releases.sendmarc.com

Other integrations

The help center lists integrations for Abnormal Security, Acronis, ConnectWise PSA, HaloPSA and Autotask.Read 15 Oct 2026 · help.sendmarc.com

Praise: deliverability

The sole recent Trustpilot reviewer says correct email security also improves deliverability and recommends the Sendmarc team.Read 15 Oct 2026 · trustpilot.com

Praise: usability and support

G2 reviewers repeatedly praise clear visibility, intuitive dashboards, guided setup, smooth onboarding and responsive support.Read 15 Oct 2026 · g2.com

PSA integrations

The platform integrates with Autotask, ConnectWise and HaloPSA for customer, ticketing and billing workflows.Read 15 Oct 2026 · sendmarc.com

Public API

Sendmarc publishes API documentation at portal.sendmarc.com/api/v1/docs and uses personal access tokens for custom applications.Read 15 Oct 2026 · help.sendmarc.com

Rating on Capterra

0.0 out of 5 from 0 user reviews.Read 15 Oct 2026 · capterra.com

Rating on G2

4.9 out of 5 from 52 reviews.Read 15 Oct 2026 · g2.com

Rating on GetApp

0.0 out of 5 from 0 reviews.Read 15 Oct 2026 · getapp.com

Rating on Software Advice

No reviews are listed; the page shows a $45 per month flat-rate starting price.Read 15 Oct 2026 · softwareadvice.com

Rating on Trustpilot

3.7 out of 5 from 2 reviews.Read 15 Oct 2026 · trustpilot.com

Rating on TrustRadius

10 out of 10 from 1 review.Read 15 Oct 2026 · trustradius.com

Reporting

The platform collects DMARC reports and provides visibility into email senders, authentication results, and domain activity.Read 9 Oct 2026 · sendmarc.com

Security certifications

Sendmarc states that it is SOC 2 Type II and ISO 27001 compliant and has a high-resilience CY3Rn result.Read 15 Oct 2026 · sendmarc.com

Security controls

Its security page describes least-privilege access, encryption at rest and in transit, vulnerability monitoring, disaster recovery and data-retention controls.Read 15 Oct 2026 · sendmarc.com

SPF flattening

SPF optimization and flattening are provided to help remain within DNS lookup limits.Read 15 Oct 2026 · sendmarc.com

SSO

The platform supports SSO with Okta, Google Workspace, and Microsoft 365/Entra.Read 9 Oct 2026 · sendmarc.com

SSO integrations

Supported identity-provider integrations include Okta, Google Workspace and Microsoft 365/Entra.Read 15 Oct 2026 · sendmarc.com

System requirements

Sendmarc is cloud-based; customers must maintain network and telecommunications connectivity to its data centers, with no specific OS requirements stated.Read 15 Oct 2026 · sendmarc.com

Threat intelligence

The platform monitors suspicious senders and phishing activity and sends real-time threat alerts.Read 15 Oct 2026 · sendmarc.com

Threat monitoring

Lookalike Domain Defense monitors domains resembling a customer’s domain and can alert on them.Read 9 Oct 2026 · sendmarc.com

Plans and prices

Every Sendmarc plan and price →

Where Specifiction places it

• Email Deliverability Software#13 of 318.1