N-able Mail Assure Alternatives (September 2025)

N-able Mail Assure offers MSPs AI-driven email security with close to 100% filtering accuracy. Mail Assure also provides continuous uptime and email archiving.

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1.
Email filtering and archiving solutions | SpamExperts
https://www.spamexpert
.com/

N-able SpamExperts offers professional anti-spam email filtering and archiving for Web hosting providers, Internet Service Providers and Telcos.

2.
Email Security Solutions | Ransomware, Phishing & More | Cloud-Based |
https://contentcatche
.com/

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

3.
SpamTitan Leading Email Protection and Anti-Spam Solutions
https://www.spamtita
.com/

Email security and spam filtering with SpamTitan from TitanHQ uses double AV and AI driven malicious URL detection to block malicious threats

4.
Barracuda Email Gateway Defense - MSP Email Security
https://www.barracudams
.com/products/email-protection/email-gateway-defense/

Barracuda Essentials for email security provides IT service providers with complete email security, archiving, e-discovery and backup solution.

5.
Barracuda Impersonation Protection for MSPs
https://www.barracudams
.com/products/email-protection/impersonation-protection/

Protect your customers with artificial intelligence with real-time spear phishing protection and cyber fraud defense to prevent personalized attacks.

6.
Email Security Service Provider - Email Security Solutions
https://www.spambrell
.com/

Spambrella is your company for managed email security services and User Awareness Training solutions and products. Try our security services for email today!

7.
EntrustedMail - Email Security
https://www.entrustedmai
.com/

An essential suite of email and web security services for SMB and Enterprise.

8.
Advanced Email Security | Mimecast
https://www.mimecas
.com/products/email-security/

Email security is critical for all organizations. Block all email attacks using Mimecast's advanced email security product with targeted threat protection.

9.
Cloud-Native, Advanced Email Security for Enterprises | Fortra Email Security
https://emailsecurity.fortr
.com/products/cloud-email-protection/

Cloud Email Protection, the integrated cloud email security solution from Fortra, stops advanced threats that bypass security defenses and make it into inboxes.

10.
Secure your email communications
https://www.broadco
.com/products/cybersecurity/email/gateway/

Symantec Messaging Gateway protects email against spam, malware, targeted attacks and provides advanced content filtering, data loss prevention, and email encryption.

11.
Advanced Cloud Email Security and Protection - MX Layer
https://www.mxlaye
.com/

MX Layer provides cutting-edge cloud-based solutions for email security, business continuity, data loss prevention, and email archiving services.

12.
Email Security - VIPRE
https://vipr
.com/products/email-security/

VIPRE provides email security solutions for every size organization and the IT partners that serve them.

13.
Cybonet | Enterprise email security system
https://www.cybone
.com/

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

14.
Advanced Threat Defense With Phishing Protection - DuoCircle
https://www.duocircl
.com/email/phishing-protection/

Real-time link click protection defends against malicious links in emails every time, on every device, from anywhere.

15.
MailGuard - Stops email threats up to 48 hours faster
https://www.mailguard.co
.au/

MailGuard is a leading Australian technological innovator, providing complete enterprise-grade protection against email security threats such as phishing, ransomware, and BEC. First to stop fast breaking attacks, MailGuard detects and prevents email threats 2-48 hours ahead of the market.

17.
Protect Email Against Phishing, Spam and Malware - DuoCircle
https://www.duocircl
.com/

Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.

18.
Makes Email Safe For Business: Microsoft 365, Google Workspace.
https://guardiandigita
.com/

Guardian Digital has developed unparalleled AI-powered business cloud email security services. Secure your business emails and stay threat-ready today.

19.
Trustifi: Email Security Solutions With AI-Powered Protection
https://trustif
.com/

Award-winning cloud-based email security platform prevents phishing, malware, spoofing, and BEC, from reaching a user’s mailbox. See the Trustifi Difference.

20.
AI-Based Email Security Software | Email Threat Protection
https://darktrac
.com/products/email/

With Darktrace's self-learning cyber security AI, you're protected against future email attacks that aren’t limited to past attack rules & data. Get a demo.

21.
Libraesva Email Security, Email Archiving, Phishing Awareness, DMARC - Libraesva
https://www.libraesv
.com/

Exceptional Email Security, Email Archiving and Phishing Awareness. Libraesva stops Zero-Day Email Attacks, integrating with M365 and Google

22.
SMX Email Cyber Security and Archiving for Microsoft 365 and more | SMXEmail
https://smxemai
.com/

SMX offers a cloud-based email security solution for SEG, archiving and added Microsoft 365 defence. Trusted by enterprises, governments and ISPs across ANZ.

23.
Antispam, Antivirus & Anti-Phishing Software | Altospam
https://www.altospa
.com/en/

Protect your business e-mail from cyberattacks: phishing, ransomware, spam, viruses. Installation in just a few clicks. French solution 🇫🇷

24.
Email Security Solution | FortiMail
https://www.fortine
.com/products/email-security/

Fortinet's Email Security Solutions provides protection for your critical business information. Learn how to send Secure Email Gateways (SEG) with FortiMail.

25.
AI-powered email security | xorlab
https://www.xorla
.com/

Stop advanced email threats and optimize security operations with AI-powered email security that adapts to your organization. Available for on-premise and Microsoft 365.

26.
Mesh | Email Security Redefined for MSPs
https://www.meshsecurit
.io/

Mesh is the world's first email security platform built exclusively for MSPs, enhancing their efficiency and ensuring greater safety for their customers. Offering flexible deployment options - Mesh Gateway (MX based), Mesh 365 (API based), and Mesh Unified (MX and API based) - Mesh protects organiza

27.
Email Security | Encrypted Email Service
https://www.mailprotecto
.com/

Mailprotector has the complete email security products your users need to cover all three comprehensive pillars: email security, encryption, and privacy.

28.
Comprehensive Email Security for Microsoft 365 & Google Workspace
https://www.greathor
.com/

GreatHorn is an API, cloud-native email security solution that mitigates the risk of business email compromise across Microsoft 365 and Google Workspace.

29.
Secure Email | Eliminate Phishing and Malware Threats | INKY Technology
https://www.ink
.com/

INKY helps companies secure email using a cloud-based security platform that proactively and instantly scans inbound, internal, and outbound emails to eliminate phishing and malware. The platform intelligently eliminates security threats by blocking malicious emails while assisting employees in real time to handle suspicious emails.

30.
Email Threat Protection | Trend Micro (US)
https://www.trendmicr
.com/en_us/business/products/user-protection/sps/email-and-collaboration/email-inspector.html/

Over 90% of targeted ransomware attacks start with a spear phishing attack. But with a single appliance, you can detect and block targeted attacks.

31.
Email add-ons - VIPRE
https://vipr
.com/products/email-security/email-add-ons/

Enhance VIPRE Email Security Cloud with unparalleled protection against malicious links and infected attachments.

32.
Enterprise Email Security Software | IRONSCALES
https://ironscale
.com/

IRONSCALES’ cloud email security software is an AI-powered email platform for enterprise organizations. Our self-learning service protects against advanced email attacks that bypass traditional defenses.

34.
EDR Software - Endpoint Detection and Response - N-able
https://www.n-abl
.com/products/endpoint-detection-and-response/

N-able™ Endpoint Detection and Response (EDR) helps MSPs identify and secure customer devices from the latest threats, including those antivirus can’t catch.

35.
36.
Material Security | Cloud Email Security for Microsoft 365 and Google Workspace
https://materia
.security/

Material is a multi-layered detection and response toolkit for email. It stops sophisticated email-based attacks and contains the blast radius of compromised accounts.

37.
Next Generation Email Cyber Security - Sendio Technologies
https://sendi
.com/

Protect your enterprise with best in breed email security from Sendio. Eliminate ransomware, phishing attacks, spam and malware using behavioral technology.

38.
Email Security Solutions For Cloud-Based and On Premise Protection
https://www.virco
.com/

Boost your email security with Proofpoint Essentials and OnDMARC; protect your business against phishing, ransomware, and fraud.

39.
Email Protection Services | SilverSky
https://www.silversk
.com/email-protection-services/

Safeguard your network’s most vulnerable system with anti-virus and anti-spam technologies that block malicious software and spam at the gateway.

41.
Xeams - a free email server with 100% privacy and security.
https://www.xeam
.com/

A powerful email server that blocks 99% of junk emails. It also enables encrypted emailing with large sized file sharing and helps in preventing IP leakages

42.
Messaging security for evolving threats | Cloudmark EN
https://www.cloudmar
.com/

Cloudmark is a trusted leader in intelligent threat protection against known and future attacks, safeguarding 12 percent of the world’s inboxes from wide-scale and targeted email threats.

43.
DNS filtering solution providing AI threat protection and DNS security
https://www.titanh
.com/dns-filtering/

DNS filtering and DNS web filtering solution providing AI driven threat protection and advanced web content controls for MSPs.

44.
Email Threat Protection | Zix
https://zi
.com/products/email-threat-protection/

Prevent malware, ransomware and other threats from compromising your email and your business with Secure Cloud.

46.
Kaspersky Security for Microsoft Office 365 Security for Enterprise - DKIM and DMARC Check | Kaspersky
https://www.kaspersk
.com/enterprise-security/microsoft-office-365/

Kaspersky Security for Microsoft Office 365 protects your cloud-oriented enterprise from email-borne threats. Learn how it uses advanced next generation techniques to stop phishing, ransomware, malicious attachments, spam and business email compromise (BEC).

47.
Perception Point: Cybersecurity for the Modern Workspace
https://perception-poin
.io/

AI-Powered, Human-Driven Security for Users Across Email, Browsers and SaaS Applications.

48.
InterScan Messaging Security | Trend Micro (US)
https://www.trendmicr
.com/en_us/business/products/user-protection/sps/email-and-collaboration/interscan-messaging.html/

The most comprehensive protection against traditional and targeted attacks. Blocks spam, phishing, and advanced persistent threats (APTs). Flexible hybrid SaaS deployment option.

49.
Email Security Products 2024 | Fortra's Clearswift Email Security Products and Services
https://emailsecurity.fortr
.com/products/email-security/

The award-winning Clearswift Secure Email Gateway offers an unprecedented level of email security, including cyberattack protection and data loss prevention.

50.
MailStore - The Standard in Email Archiving
https://www.mailstor
.com/

We are the Experts in Email Archiving: Innovative Email Archiving Solutions for small and medium-sized Businesses.

51.
Windows Mail Server, Email Server Software, Mail Servers | MailEnable
https://www.mailenabl
.com/

Windows mail server software with webmail, caldav, carddav, antivirus, spam filtering - Fast, secure email server software for windows. Download free mail server trial.

52.
SonicWall Next-Gen Cloud App Security for Office 365, G Suite and other SaaS apps.
https://www.sonicwal
.com/products/cloud-security/cloud-app-security/

SonicWall Cloud App Security offers next-gen security for your users and data within cloud applications, including email, messaging, file sharing and file storage. For organizations adopting SaaS applications, SonicWall Cloud App Security delivers best-in-class security and a seamless user experience.

53.
PhishER Plus | How It Works | KnowBe4
https://www.knowbe
.com/products/phisher-plus/

PhishER Plus leverages crowdsourced threat intelligence and AI to automatically block phishing threats that have bypassed your email security filters.

54.
55.
Graphus | Anti Phishing Software | Cloud Email Security
https://www.graphu
.ai/

Graphus is automated email security software, providing security for Google Workspace & Microsoft 365 users against phishing & social engineering attacks.

56.
How It Works: Universal Threat Management and Security | Avanan
https://www.avana
.com/how-it-works/

How it works: Avanan adds an invisible layer of full-suite security for cloud email/collaboration, like Office 365, to create universal threat management.

57.
Secure Email Solution - Zivver
https://www.zivve
.com/

We’re powering the next generation of secure email communications for your organization, preventing data leaks & empowering people to work securely.

58.
Email Archiving and Analytics for Business- Email Vault
https://emailvaul
.app/

Securely archive, search, and analyze your company's email on one platform, preserving vital data while gaining instant business insights.

59.
ESET PROTECT Complete: Comprehensive Business Security | ESET
https://www.ese
.com/us/business/complete-protection/

Complete protection against phishing, malware or spam, adding an extra layer of cyber defense for your Microsoft 365, Google Workspace cloud apps and email.

60.
Brand Protection | Mimecast
https://www.mimecas
.com/content/brand-protection/

Mimecast brand protection services combine machine learning and targeted scans to identify potential attacks reduce compromise. Learn more.

61.
MDaemon Email Server is a trusted Microsoft Exchange alternative. Free 30-day trial. – MDaemon Technologies, Ltd.
https://mdaemo
.com/pages/mdaemon-email-server/

The MDaemon Email Server is trusted by businesses in over 140 countries to provide a secure, reliable, and affordable alternative to Microsoft Exchange or Microsoft 365. IT professionals recommend MDaemon as an easy-to-use, reliable, and secure mail server that does not require expensive administration or impose high per-user costs. On-premise or hosted email deployment.

62.
Exchange Email Archiving Solutions
https://www.ques
.com/products/archive-manager-for-exchange/

Archive, manage, and secure your organization's email with archiving software designed specifically for Exchange.

64.
MailChannels: Email Delivery for Hosting Providers
https://www.mailchannel
.com/

MailChannels ensures your customers' emails are always delivered. Trusted by the fastest-growing hosting providers.

65.
Best-in-Class DMARC Solutions For Businesses | Valimail
https://www.valimai
.com/

Achieve and maintain DMARC enforcement 4x faster than any other platform with Valimail’s best-in-class email authentication solutions.

67.
Mail Server Software | Axigen
https://www.axige
.com/

Reliable, secure, extensible, and customizable mail server software platform made for on-prem and cloud-native deployment; easily scalable, smart licensing.

68.
ScanMail Mail Server Security for Domino | Trend Micro (US)
https://www.trendmicr
.com/en_us/business/products/user-protection/sps/email-and-collaboration/scanmail-for-domino.html/

Trend ScanMailâ„¢ for Domino provides comprehensive mail server security with real-time protection and streamlined administration that blocks emails with links to malicious sites.

69.
Endpoint Cloud - VIPRE
https://vipr
.com/products/endpoint-security/end-point-cloud/

Ranked in the top 5 for efficacy in independent testing, VIPRE Endpoint Security Cloud delivers nextgen antivirus protection and convenience.

70.
Email Archiving for Business • Cryoserver
https://www.cryoserve
.com/

Cryoserver is an email archiving solution which preserves your email in a tamper-evident archive, turning your data into a useful archive for everyday use.

71.
MailArchiva
https://www.mailarchiv
.com/

Email archiving, e-discovery, compliance and forensics software that helps retain, organize and mine email data

72.
EasyDMARC | DMARC Journey Made Simple
https://easydmar
.com/

Your smart DMARC reporting and monitoring platform. Ensure domain-level security and email deliverability with EasyDMARC’s DMARC, SPF, DKIM, and BIMI services.

73.
Business Cybersecurity Solution | AVG
https://www.av
.com/en-us/internet-security-business-edition/

Protect your business from viruses with AVG Internet Security Business Edition. Includes email and server security, business antivirus, and firewall.

74.
OX Cloud - Premium email suite
https://www.oxclou
.email/

OX Cloud Email - Easy, Fast, Secure - Powerful email built for business

75.
AVG Email Server Security | Antivirus & Antispam | Free Trial
https://www.av
.com/en-us/email-server-business-edition/

Protect your business network from viruses and threats, secure your work email and Windows file server with AVG business antivirus endpoint security. Download a Free Trial or Buy Online.

76.
ESET PROTECT Platform | ESET
https://www.ese
.com/me/business/protect-platform/

The world’s most formidable cybersecurity based on superior research that’s easy to use. A unique balance of prevention, detection and response.

77.
The Leader In Secure Email Encryption | NeoCertified
https://neocertifie
.com/

Secure email encryption helps protect individuals, SMBs, and Enterprise organizations. Learn more about compliance & secure email encryption.

79.
Cloud email hosting - cloud webmail - cloud email - Atmail - 25 years exp
https://atmai
.com/

Save on infrastructure and maintenance costs. Choose your data centre (US, EU, APAC). AWS native cloud email hosting.

80.
Email Fraud Defense - Business Email Compromise BEC | Proofpoint US
https://www.proofpoin
.com/us/products/email-protection/email-fraud-defense/

Protect your organization from today’s advanced email threats, business email compromise (BEC), and consumer phishing with Proofpoint's Email Fraud Defense.

81.
Kevlarr - DMARC monitoring en management voor MSPs
https://www.kevlar
.io/

Krijg weer volledig zeggenschap over uw maildomein! Kevlarr beschermt uw online merk en identiteit tegen phishing, CEO fraude, impersonatie en andere online gevaren.

82.
83.
REVE Antivirus-Best Virus Protection|Antivirus|Email Security
https://www.reveantiviru
.com/en/

REVE Antivirus protects users from online threats. Apart from best virus protection, it provides email security and safety from phishing scams.

85.
Cove | Cloud Data Protection as a Service
https://www.n-abl
.com/products/cove-data-protection/

Cove Data Protection™ provides a safe haven from backup complexity, labor shortages, and recovery uncertainty in ways other solutions simply can’t.

86.
Email Encryption | Zix
https://zi
.com/products/email-encryption/

Email Encryption is an essential part of Secure Cloud. With Zix, we send encrypted email automagically in the background. No extra steps are required, ever.

88.
Guardz: Unified Cybersecurity Platform Built for MSP
https://guard
.com/

Discover the platform that secures and insures small businesses using AI and a multilayered approach.

89.
Information Archiving | Zix
https://zi
.com/products/information-archiving/

Information archiving provides secure message retention, making compliance and eDiscovery easier for you and your team.

91.
Libraesva Email Archiver - Libraesva
https://www.libraesv
.com/libraesva-email-archiver/

Libraesva Email Archiver is a powerful and simple solutionfor email Governance, Risk and Compliance. it provides rapid e-Discovery with instant full-text search.

92.
Small Business Cybersecurity Solutions (SMB) | Proofpoint US
https://www.proofpoin
.com/us/products/email-protection/essentials/

Discover Proofpoint Essentials, enterprise-class SMB cybersecurity. Learn why Proofpoint is the leader in medium and small business cybersecurity solutions.

93.
spambarrier Cloud AntiSpam | Erstklassiger Spam- und Virenschutz für Ihre Domain.
https://www.spambarrie
.de/

Spambarrier ist ein Dienst, der Ihre E-Mails filtert, bevor sie Ihren Mailserver erreichen. Der einfache Weg, sich vor Spam zu schützen Hosting sicher in Deutschland und datenschutzkonform.

94.
Outbound Spam Guard - Cybonet | Enterprise email security system
https://www.cybone
.com/outbound-spam-guard/

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

95.
Cloudmark Authority | Cloudmark EN
https://www.cloudmar
.com/en/products/email-messaging-security/cloudmark-authority/

Security in the industry for mobile operators, internet service providers, and hosting providers Cloudmark Authority utilizes a unique combination of proprietary…

96.
SecureMyEmailâ„¢ - Easy email encryption for everyone.
https://www.securemyemai
.com/

Encrypt ANY Business or Personal Email in a few minutes. No need to switch email providers. Free encrypted email for Gmail, Yahoo, Microsoft.

97.
Lookout | The Data-Centric Defense-in-Depth Solution
https://www.lookou
.com/

Lookout is the cybersecurity platform built to stop modern breaches as swiftly as they unfold, from the first phishing text to the final data grab.

98.
Browser Security - Check Point Software
https://www.checkpoin
.com/harmony/advanced-endpoint-protection/browser-security/

Browser Security provides fast, private and secure web access by protecting against known and zero-day attacks on browsers.

99.
Harmony Mobile Protection (Sandblast Mobile) - Check Point Software
https://www.checkpoin
.com/harmony/mobile-security/

Harmony Mobile (Formerly Sandblast Mobile), Check Point’s Mobile Threat Defense solution, is designed to keep corporate data safe by securing mobile devices.