Cyrus IMAP

Cyrus IMAP

The Cyrus Team
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About

Cyrus IMAP is an email, contacts and calendar server. Cyrus is free and open source. Features: Speed Security Efficiency Search CardDAV and CalDAV support Robust data storage Replication Scalable for large installations Flexible filtering support through Sieve Supports antivirus and antispam toolkits Handles deliverability: SPF, DKIM, DMARC Extensive authentication options, through Cyrus SASL JMAP support Long list of supported standards

About

DMARCS is an enterprise email security platform designed to simplify DMARC implementation and protect organizations from email-based threats. It helps businesses automate email authentication protocols such as DMARC, SPF, and DKIM across all domains. The platform provides real-time threat intelligence, allowing security teams to identify phishing, spoofing, and impersonation attempts. It offers centralized visibility into email activity, giving organizations clear insights into domain usage and authentication performance. DMARCS also includes automation tools that reduce manual effort and minimize configuration errors. Its vendor risk management features help monitor third-party senders and ensure compliance with security standards. Overall, DMARCS enables organizations to strengthen email security, protect their brand, and maintain trusted communication channels.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Anyone interested in an open source mail and calendar server

Audience

Enterprise organizations, security teams, and IT departments seeking to protect their email domains, prevent phishing attacks, and manage authentication protocols at scale

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

Free
Open source
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

The Cyrus Team
Founded: 1993
www.cyrusimap.org

Company Information

DMARCS
Founded: 2026
United Arab Emirates
dmarcs.com

Alternatives

Alternatives

GoDMARC

GoDMARC

Neuailes Global Technologies
MLM Superb

MLM Superb

Cyrus Technoedge Solution
Hermes SEG

Hermes SEG

Black Fish Networks LLC
ToDMARC

ToDMARC

TBS OPS LTD

Categories

Categories

Integrations

CentOS
Debian
Fedora
Red Hat Enterprise Linux
Ubuntu
Workers by Delos
openSUSE Leap
openSUSE MicroOS
openSUSE Tumbleweed

Integrations

CentOS
Debian
Fedora
Red Hat Enterprise Linux
Ubuntu
Workers by Delos
openSUSE Leap
openSUSE MicroOS
openSUSE Tumbleweed
Claim Cyrus IMAP and update features and information
Claim Cyrus IMAP and update features and information
Claim DMARCS and update features and information
Claim DMARCS and update features and information