getapp-logo

App comparison

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

Software categoriesBlog & researchAbout us

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

Top Rated Email Security Software with Whitelisting/Blacklisting - Page 3

Last updated: April 2026

1 filter applied

Features

Integrated with

Pricing model

Devices supported

Organization types

User rating

70 software options

Inky logo

The most effective solution when fighting phishing attacks.

learn more
INKY is an endpoint protection tool that helps businesses leverage artificial intelligence (AI) technology and machine learning capabilities to identify and prevent phishing attacks. INKY can be integrated with Microsoft Exchange, Google Workspace and other applications.

Read more about Inky

Users also considered
SendGrid logo

Delivers reliable email at scale for businesses

learn more
SendGrid is a solution that provides a cloud-based email infrastructure to help relieve businesses of the cost and complexity of maintaining custom email systems. It provides email delivery, scalability and real-time analytics along with APIs. The platform also offers SMTP service, email validation, deliverability insights, and dynamic templates, while supporting multiple programming languages including Node.js, Python, and Java.

Read more about SendGrid

Users also considered
eM Client logo

Email, calendar, contacts, tasks, notes and chat in one app

learn more
eM Client is a powerful email client with a clean and easy-to-use interface, which supports PGP and S/MIME encryption and digital signatures. Upload and lookup GPG keys on eM Keybook, Proton and keys.openpgp.org. Password-protected startup. eM Client easily connects to any email service.

Read more about eM Client

Users also considered
Kiteworks logo

Content Governance, Compliance, and Protection

learn more
Protect privacy and ensure compliance of all sensitive content sent via email, file share, automated file transfer, APIs, and web forms - with one platform.

Read more about Kiteworks

Users also considered
KDMARC logo

Keep The Spoofers Away From Your Email Domain

learn more
TDMARC, by Threatcop, enhances email security with anti-spoofing measures, ensuring domain protection and boosting deliverability. It filters spoofed emails, maintains domain reputation, and offers easy setup for SPF, DKIM, and DMARC protocols.

Read more about KDMARC

Users also considered
Datto SaaS Defense logo

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).

Read more about Datto SaaS Defense

Users also considered
Zivver logo

Email Security Made Effortless

learn more
Zivver is email security software which helps enterprises transfer business documents and ensure secure e-mail communication. It allows users to retract emails, view risks, causes, and impact of data breaches, configure workflows, and generate custom reports.

Read more about Zivver

Users also considered
StartMail logo
(0)

Email platform for end-to-end email encryption

learn more
StartMail is a privacy-first email service that keeps your inbox safe. It is designed for individual and business use. StartMail users can create an unlimited number of email aliases at no extra cost to mask their real email. Custom email addresses are available for businesses.

Read more about StartMail

Users also considered
StrongestLayer logo
(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.

Read more about StrongestLayer

Users also considered
Advanced Threat Protection logo
(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
DMARCTrust logo
(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.

Read more about DMARCTrust

Users also considered
M365 Manager Plus logo
(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.

Read more about M365 Manager Plus

Users also considered
MeSign logo
(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.

Read more about MeSign

Users also considered
mailbox logo
(0)

Secure encrypted email and workspace platform

learn more
Mailbox provides a comprehensive digital workspace combining secure email, cloud storage, video conferencing, and office tools in one integrated platform. The service stores data in certified German data centers with consistent encryption during storage and transmission, ensuring GDPR compliance and enhanced security. Users benefit from spam-free inboxes, collaborative tools, and an infrastructure powered by renewable energy.

Read more about mailbox

Users also considered
Topsec Managed Email Security logo
(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
EuropeanMX logo
(0)

Cloud-based anti-spam for incoming and outgoing messages

learn more
Use the cloud redundancy solution EuropeanMX as a reliable spam filter. Our system offers nearly 100% filter accuracy and virtually no false positives. Protect your IP ranges before getting blacklisted. Continuously archive your emails with EuropeanMX to always have a backup of your emails.

Read more about EuropeanMX

Users also considered
MailGuard logo
(0)

Speed Matters. MailGuard stops threats 2- 48hrs faster.

learn more
MailGuard anticipates, predicts and learns from emerging zero-day threats like ransomware, phishing, spear-phishing, Business Email Compromise and similar malicious email-borne attacks, protecting email users from harm.

Read more about MailGuard

Users also considered
iQ.Suite aaS logo
(0)

Enterprise email management & security solution for M365

learn more
iQ.Suite aaS is a cloud-based enterprise email management and security solution for companies using Microsoft 365. It offers a comprehensive set of features including content-driven encryption, insider threat detection, wrong recipient protection, and more. iQ.Suite aaS offers malware and spam detection to minimize risk and secure emails from unauthorized access. Additionally, to ensure company policies are met, this solution can be used to apply business policies to email communications.

Read more about iQ.Suite aaS

Users also considered
Abusix Mail Intelligence logo
(0)

Cloud-based email security platform

learn more
Abusix Mail Intelligence is an automated, cloud-based protection suite that enables businesses and organizations to protect their sensitive data from cyber-attacks. It protects users' mail servers and customers' inboxes from spam by orchestrating and automating your full security response including detecting malware and virus through machine learning techniques.

Read more about Abusix Mail Intelligence

Users also considered
Stalwart logo
(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.

Read more about Stalwart

Users also considered