Best Email Security Software for Small Businesses (Free & Paid)

Running a small business comes with unique challenges, including tight budgets and limited resources. That’s why choosing the right email security software can significantly improve your workflow and help you compete more effectively. Here, we feature the top email security software solutions designed for small businesses—offering affordable pricing, user-friendly interfaces, and scalable features that grow alongside your company.

Last Updated: October 01, 2025

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List of Top Best Email Security Software for Small Businesses

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SimpleDMARC is a powerful email security software that protects businesses from phishing attacks, domain spoofing, and other malicious email threats. It leverages Domain-based Message Authentication, Reporting, and Conformance (DMARC) technology to help organizations authenticate their emails and ensure that only legitimate messages are delivered to recipients. SimpleDMARC enables businesses to co... Read more about SimpleDMARC

Free Trial

NA

Pricing Type

$99 Per year

Location

India

MX Layer is an advanced email security software that helps organizations protect against phishing, spam, and malware threats. The platform uses machine learning algorithms and threat intelligence to identify and block suspicious emails before they reach inboxes. MX Layer’s filtering capabilities ensure that legitimate communications are not disrupted, while its real-time alerts and reporting too... Read more about MX Layer

Free Trial

Available

Pricing Type

$0.1 Per user

Location

United States

Clean Mailbox is an advanced email security software designed to protect businesses from email threats such as spam, phishing, and malware. With its powerful filtering and detection algorithms, Clean Mailbox blocks harmful emails before they reach employees’ inboxes, reducing the risk of security breaches and data loss. The software provides real-time protection, scanning incoming emails for sus... Read more about Clean Mailbox

Free Trial

Available

Pricing Type

$1 Per user

Location

France

Janusmail is a robust email security software designed to protect businesses from potential email threats, including phishing, spam, malware, and spoofing. The platform utilizes advanced algorithms and machine learning techniques to scan incoming and outgoing emails for malicious content, providing real-time protection. Janusmail offers comprehensive encryption features to safeguard sensitive data... Read more about Janusmail

Free Trial

NA

Pricing Type

Contact Vendor

Location

Italy

ProDMARC is an advanced email security software designed to protect businesses from email-based threats such as phishing, spam, and malware, while ensuring the integrity and authenticity of email communications through Domain-based Message Authentication, Reporting & Conformance (DMARC) protocols. The platform offers a comprehensive suite of features including DMARC implementation, SPF and DKIM co... Read more about ProDMARC

Free Trial

Available

Pricing Type

$2000 Per user

Location

India

DOQEX is an email security software that safeguards organizations against phishing, malware, and other email-based threats. It provides advanced encryption, real-time threat detection, and spam filtering, ensuring that only legitimate emails reach users’ inboxes. DOQEX also includes tools for secure file sharing and email tracking, allowing users to send sensitive information with confidence. Th... Read more about DOQEX

Free Trial

NA

Pricing Type

Contact Vendor

Location

United Kingdom

SafeToOpen is a comprehensive email security software designed to protect organizations from cyber threats and ensure secure communication. This platform offers tools for email filtering, phishing detection, and malware protection, safeguarding sensitive information from unauthorized access. With SafeToOpen, users can easily manage their email security settings, ensuring that only safe and legitim... Read more about SafeToOpen

Free Trial

Available

Pricing Type

$2 Per month

Location

New Zealand

CloudMX is a leading email security software that safeguards organizations from cyber threats, ensuring the integrity of their communications. With cyber attacks becoming increasingly sophisticated, CloudMX provides robust protection against phishing attempts, malware, and data breaches. Its advanced threat detection algorithms identify and neutralize risks in real-time, allowing businesses to ope... Read more about CloudMX

Free Trial

NA

Pricing Type

Contact Vendor

Location

Italy

Actamos is an advanced email security software designed to protect businesses from cyber threats and ensure the privacy of sensitive communications. The software provides tools to detect and block phishing, spam, and malware, keeping inboxes secure from malicious emails. Actamos’s real-time threat detection system analyzes incoming messages, identifying potential risks before they reach employee... Read more about Actamos

Free Trial

Available

Pricing Type

$19 Per month

Location

United States

Your Tattoo Soft is an all-in-one software solution designed to help tattoo studios manage their operations efficiently. The platform offers features that streamline the day-to-day tasks of running a tattoo business, including appointment scheduling, client management, and inventory tracking. Tattoo artists can use the software to maintain detailed client records, including previous designs, aller... Read more about NoID

Free Trial

Available

Pricing Type

$5 Per user

Location

Malta

Jura Security is an email security software designed to protect businesses from cyber threats, phishing attacks, and data breaches. The platform uses advanced encryption techniques and AI-driven algorithms to filter out malicious emails, ensuring that only legitimate messages reach the inbox. Jura Security’s features include real-time email scanning, anti-phishing tools, and spam filtering, all ... Read more about Jura Security

Free Trial

NA

Pricing Type

Contact Vendor

Location

United Kingdom

Constant Edge is an advanced email security software solution designed to protect businesses from the ever-evolving threats associated with email communication. This powerful platform provides comprehensive protection against phishing attacks, spam, malware, ransomware, and other email-based threats. Constant Edge uses machine learning and AI algorithms to detect and block suspicious email activit... Read more about Constant Edge

Free Trial

NA

Pricing Type

Contact Vendor

Location

United States

DMARCOFF is a powerful email security software solution designed to protect businesses from email-based threats such as phishing, spoofing, and malware attacks. The platform uses advanced technologies like DMARC, SPF, and DKIM to authenticate incoming emails, ensuring that only legitimate emails reach users’ inboxes. DMARCOFF provides real-time monitoring and reporting of email security, enablin... Read more about DMARCOFF

Free Trial

NA

Pricing Type

Contact Vendor

Location

United States

Mailture is an advanced email security software designed to protect organizations from phishing, spam, and malware attacks. The platform leverages AI-powered threat detection and filtering capabilities to block harmful emails before they reach users’ inboxes. Mailture includes features like encryption, multi-layer authentication, and real-time alerts, ensuring that sensitive information is safeg... Read more about Mailture

Free Trial

Available

Pricing Type

$1.9 Per month

Location

United Kingdom

Trustwave MailMarshal is an advanced email security software designed to protect organizations from email-based threats such as spam, phishing, malware, and data breaches. The software uses multiple layers of defense, including real-time email filtering, content scanning, and attachment analysis, to detect and block malicious emails before they reach employees' inboxes. Trustwave MailMarshal's cus... Read more about Trustwave MailMarshal

Free Trial

NA

Pricing Type

Contact Vendor

Location

United States

TrustYourInbox is an email security software that helps businesses protect their inboxes from phishing attacks, malware, and other cyber threats. The platform uses advanced algorithms to detect suspicious emails, blocking potential threats before they reach users. TrustYourInbox offers features such as spam filtering, malware scanning, and email encryption, ensuring that sensitive information rema... Read more about TrustYourInbox

Free Trial

Available

Pricing Type

Contact Vendor

Location

United States

DMARCIFY is a powerful email security software that helps businesses protect their email domains from phishing attacks, spoofing, and other fraudulent email activities. This platform offers a comprehensive solution for securing outbound email communication by implementing DMARC (Domain-based Message Authentication, Reporting & Conformance) policies. With DMARCIFY, organizations can authenticate th... Read more about DMARCIFY

Free Trial

NA

Pricing Type

$39 Per month

Location

Belgium

SkureMail is an advanced email security software solution designed to protect businesses from the growing threat of phishing, malware, and spam emails. With its cutting-edge AI-driven algorithms, SkureMail analyzes incoming emails in real time, identifying potential threats before they reach the inbox. The software provides advanced features like email encryption, two-factor authentication (2FA), ... Read more about SkureMail

Free Trial

NA

Pricing Type

Contact Vendor

Location

United States

Email Validation with Data Intelligence

Email security software protects businesses from cyber threats like phishing, spam, malware, and data breaches. These solutions provide encryption, advanced spam filters, and multi-factor authentication to safeguard sensitive communications. By ensuring secure email exchanges or businesses can maintain trust, comply with regulations, and mitigate risks in today's digitally connected environment. Read more about Zupitu

Free Trial

NA

Pricing Type

Contact Vendor

Location

India

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