App comparison

Add up to 4 apps below to see how they compare. You can also use the "Compare" buttons while browsing.

Software categories Blog & research About us

GetApp offers objective, independent research and verified user reviews. We may earn a referral fee when you visit a vendor through our links.

Our commitment

Independent research methodology

Our researchers use a mix of verified reviews, independent research, and objective methodologies to bring you selection and ranking information you can trust. While we may earn a referral fee when you visit a provider through our links or speak to an advisor, this has no influence on our research or methodology.

Learn more

Verified user reviews

GetApp maintains a proprietary database of millions of in-depth, verified user reviews across thousands of products in hundreds of software categories. Our data scientists apply advanced modeling techniques to identify key insights about products based on those reviews. We may also share aggregated ratings and select excerpts from those reviews throughout our site.

Our human moderators verify that reviewers are real people and that reviews are authentic. They use leading tech to analyze text quality and to detect plagiarism and generative AI.

Learn more

How GetApp ensures transparency

GetApp lists all providers across its website—not just those that pay us—so that users can make informed purchase decisions. GetApp is free for users. Software providers pay us for sponsored profiles to receive web traffic and sales opportunities. Sponsored profiles include a link-out icon that takes users to the provider’s website.

Learn more

Email Security
Page 2

Email Security Software with Alerts/Escalation (2026) - Page 2

Last updated: April 2026

All apps

Leaders

1 filter applied

Features

Alerts/Escalation

Email Management(17)

Access Controls/Permissions(15)

Active Directory Integration(7)

Activity Dashboard(30)

Integrated with

Microsoft 365(7)

Microsoft Outlook(7)

Gmail(5)

Pricing model

Free(10)

Open Source(1)

Free Trial(23)

One Time License(0)

Subscription(27)

Devices supported

Mac(19)

iPad(8)

Android(9)

Linux(14)

Web-based(39)

iPhone(9)

Windows(24)

Organization types

Small Business(35)

Non Profit(17)

Large Enterprises(37)

Public Administrations(16)

Freelancers(19)

Mid Size Business(35)

User rating

All Reviews

& up

(29)

& up

(30)

& up

(30)

39 software options

Sort by

MxToolbox Delivery Center

4.5

(6)

Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews

Email monitoring solution for marketing and IT teams

learn more

MxToolbox Delivery Center is a cloud-based email monitoring solution, that assists marketing teams with tracking email deliverability & monitoring domain health. Features include analytics, SMTP diagnostics, header analysis, response management, threat investigation, server monitoring, & reporting.

Read more about MxToolbox Delivery Center

Users also considered

Abnormal AI

5.0

(2)

Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews

A Fundamentally Different Approach to Email Security

learn more

Abnormal provides total protection against the widest range of attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain compromise, internal account compromise, spam, and graymail.

Datto SaaS Defense

4.0

(3)

Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews

Threat protection for Microsoft 365

learn more

Datto Saas Defence is a cloud-based Microsoft 365 protection against malware, phishing attacks and business email compromise (BEC).

Barracuda Incident Response

5.0

(1)

Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews

Email security and digital forensics software

learn more

Barracuda Forensics and Incident Response is an email security software designed to help businesses identify and manage various external email attacks including ransomware or phishing emails. The application enables organizations to monitor security threats, block malicious emails, and automate workflows.

Read more about Barracuda Incident Response

Users also considered

Libraesva LetsDMARC

5.0

(1)

Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews

Solution for managing email and domain security

learn more

Libraesva LetsDMARC is an email authentication solution designed to enhance email reputation management and secure message delivery. By preventing cybercriminals from impersonating your domains and sending fraudulent emails, it provides a layer of protection for your business partners, employees, and customers. Users can
Libraesva LetsDMARC is the best way to prevent cybercriminals from impersonating your domains and sending fraudulent emails to your business partners, employees, and customers.

M365 Manager Plus

(0)

Management, reporting, auditing, and monitoring of Microsoft

learn more

M365 Manager Plus is a reporting, auditing, monitoring, management, and security solution for Microsoft 365. Designed for businesses of all sizes, it helps users manage Exchange Online, Azure AD, Microsoft Teams, OneDrive for Business, and other services from a centralized dashboard.

Advanced Threat Protection

(0)

Ransomware attack, phishing & CEO fraud protection software

learn more

Hornetsecurity's Advanced Threat Protection software is designed to detect and protect enterprises from targeted attacks, ransomware, CEO & phishing fraud with features including a sandbox engine, URL scanning & rewriting, freezing, targeted fraud forensics, and more

Read more about Advanced Threat Protection

Users also considered

MeSign

(0)

End-to-End encryption and digital signature app for emails.

learn more

Provides email encryption, digital signing and timestamping service for your corporate emails.

Auto-configure email certificates, encrypt email message automatically by default with S/MIME standard.

Cloud and on-premise key management are both supported.

Fortra’s DMARC Protection

(0)

Software for protection from spoofing and phishing attacks

learn more

Agari Brand Protection is a simple anti-phishing solution that helps enterprises prevent and recover from email spoofing attacks. Businesses can block phishing attacks with DMARC, SPF, DKIM, and other email authentication services.

Read more about Fortra’s DMARC Protection

Users also considered

Topsec Managed Email Security

(0)

Software for managing and securing emails

learn more

Topsec's Managed Email Security service is a cloud-based solution designed to safeguard your organization's email system from a wide range of cybersecurity threats. With advanced email threat detection, targeted threat protection, and real-time monitoring, Topsec ensures that your critical data remains secure and your email continuity is maintained.

Read more about Topsec Managed Email Security

Users also considered

DMARCTrust

(0)

Email authorization monitoring & DMARC compliance platform

learn more

DMARCTrust provides email authentication monitoring through automated DMARC report processing and analysis. The platform identifies all services and IP addresses sending emails on behalf of a domain, tracks SPF and DKIM authentication pass rates, and monitors DNS records for unauthorized changes every five minutes. It includes a dedicated reporting address, automated data collection from major email providers, and alerts for authentication failures and configuration issues.

Stalwart

(0)

Open-source mail and collaboration platform

learn more

Stalwart Mail Server is an open-source email platform combining collaboration tools and security features in one unified solution.

StrongestLayer

(0)

AI-native email security platform

learn more

StrongestLayer’s AI Email Security leverages advanced Large Language Models to understand the true intent behind every message, instantly detecting and blocking sophisticated phishing, zero-day exploits, and BEC scams. Seamlessly integrated with Microsoft 365 and Google Workspace.

Confidencial

(0)

Cloud-based data protection and security solution

learn more

Confidencial is a cloud-based document security solution that enables users to protect sensitive data with granular encryption controls.