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

Viewleaf is a simple and intuitive DMARC monitoring platform that provides clear, actionable insights into your domain’s email authentication and outbound email configuration. It aggregates DMARC reports automatically and presents SPF, DKIM, and DMARC alignment data through highly visual dashboards. Designed for fast setup, users can start receiving insights within minutes by pointing their DMARC records to Viewleaf’s collector. The platform helps protect brands from spoofing attacks, improve deliverability, and meet requirements from major providers like Google and Yahoo. With unlimited domains and report volume on the free tier (with limited history), Viewleaf makes enterprise-grade DMARC monitoring accessible and easy to understand.

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

IT administrators, email deliverability teams, security professionals, and organizations seeking a simple yet powerful DMARC monitoring solution to protect brand reputation and ensure reliable email authentication

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

Pricing

Free
Free Version
Free Trial

Pricing

$0
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

Viewleaf
Founded: 2026
United States
www.viewleaf.com

Alternatives

Alternatives

GoDMARC

GoDMARC

Neuailes Global Technologies
MLM Superb

MLM Superb

Cyrus Technoedge Solution
DMARC Report

DMARC Report

DuoCircle

Categories

Categories

Integrations

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

Integrations

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