MDaemon Email Server Alternatives (September 2025)

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.

4.7/5

268+ reviews

Reviewed on:

G2
Capterra
Trustradius
Gartner
Getapp
Softwareadvice
1.
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.

2.
IceWarp® - Business Email Server & Collaboration Hub
https://www.icewar
.com/

Secure hosted email with custom domain. Shared calendars, chat, storage, documents & apps. The only solution integrated and working together in one screen.

3.
SmarterMail Business Email and Collaboration Server
https://www.smartertool
.com/smartermail/business-email-server/

Secure Windows or Linux mail server that includes chat, calendaring and contacts and offers a cost-effective alternative to Microsoft Exchange.

4.
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.

5.
Hosted Exchange | Sherweb
https://www.sherwe
.com/hosted-exchange/

Email hosting and collaboration tools for business with free migration and 24/7 support

7.
Enterprise Email Service for Business - MS Exchange Email
https://www.microsof
.com/en-us/microsoft-365/exchange/email/

Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.

8.
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.

9.
Mail-in-a-Box
https://mailinabo
.email/

Take back control of your email with this easy-to-deploy mail server in a box.

10.
EntrustedMail - Email Security
https://www.entrustedmai
.com/

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

12.
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

13.
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.

14.
EmailSuccess: High Performance Mail Transfer Agent (MTA)
https://www.emailsucces
.com/

EmailSuccess is a reliable, fast and secure Mail Transfer Agent capable of delivering huge volumes of emails to the biggest email service providers.

15.
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.

16.
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

17.
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.

18.
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!

19.
Exchange Email | Intermedia
https://www.intermedi
.com/products/exchange-hosting/

Microsoft Exchange Email from Intermedia offers enterprise email services backed by 24/7 support and a 99.999% uptime.

20.
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.

21.
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.

22.
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.

23.
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.

24.
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.

25.
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.

26.
XGenPlus | Advanced Mail Server & Webmail Client for Secure Emailing
https://www.xgenplu
.com/

Leading mail server and webmail client, XGenPlus offering fast, secure, and reliable emailing services supporting linguistic domains - World's first enterprise email solution.

27.
Secure Business Email Hosting for your Organization | Zoho Mail
https://www.zoh
.com/mail/

Ad-free Business Email Hosting with a clean, easy-to-use interface. Integrated Business Calendar, Contacts, Notes, Tasks. Free for up to 5 users.

28.
FTP Server, Email Secure Server, Email Server, Secure FTP, Webmail
https://netwinsit
.com/

Easy to Install and manage, carrier class Mail Server Software with modern fast WebMail interface, spam protection and much more.

29.
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.

30.
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.

31.
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.

32.
Email Protection Software - Mail Assure - N-able
https://www.n-abl
.com/products/mail-assure/

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.

33.
Carrier-Grade Email Server for the ISP, Telco and Cable Industry | MagicMail
https://magicmai
.com/

MagicMail is the top selling, carrier-grade email server built for ISPs, Telcos, and Cable companies to manage your back-end services for email.

34.
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.

36.
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

37.
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.

38.
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.

39.
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.

40.
Halon: the leader in email infrastructure for service providers
https://halo
.io/

Take control of your email service with the market-leading email infrastructure. Boost your competitive edge and provide a leading user experience.

41.
SecureMyEmail™ - 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.

42.
Email Encryption and Document Exchange | DataMotion
https://datamotio
.com/secure-email-exchange/

Secure your communications with DataMotion's email encryption and document exchange. Seamlessly integrate with the apps you're most familiar with.

43.
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.

45.
ManageEngine ADAudit Plus | A UBA-driven change auditor
https://www.manageengin
.com/products/active-directory-audit/

ADAudit Plus helps keep your Active Directory, file servers, Windows servers and workstations secure and compliant. Download a 30-day trial now.

46.
Secure and Private Email Hosting Services by Runbox
https://runbo
.com/

Fast, secure, and sustainable email services provided by email professionals. Powerful Email and Domain Hosting for businesses and organizations.

47.
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.

48.
OX Cloud - Premium email suite
https://www.oxclou
.email/

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

49.
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.

50.
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.

51.
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

52.
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.

53.
ManageEngine Exchange Reporter Plus | Web Based Microsoft Exchange Server Reporting software - Reports on Exchange Servers, Mailboxes and Mailbox Sizes, Messages and Email Traffic.
https://www.manageengin
.com/products/exchange-reports/

ManageEngine Exchange Reporter Plus is a web based Exchange Server Reporting software. It provides reports on Exchange mailboxes, mailbox size, public folders, Exchange Servers, Active Directory and the entire Exchange Infrastructure in detail.

54.
SMTP2GO: Reliable & Scalable Email Delivery Service
https://www.smtp2g
.com/

SMTP2GO is the scalable, reliable email deliverability solution. Worldwide servers, a robust API, and powerful reporting set us apart. Try our free plan!

55.
Microsoft Outlook (formerly Hotmail): Free email and calendar | Microsoft 365
https://www.microsof
.com/en-us/microsoft-365/outlook/email-and-calendar-software-microsoft-outlook/

Sign in to your Outlook.com, Hotmail.com, MSN.com or Live.com account. Download the free desktop and mobile app to connect all your email accounts, including Gmail, Yahoo, and iCloud, in one place.

56.
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 🇫🇷

57.
MailCleaner - Open source Anti spam & Antivirus gateway
https://www.mailcleane
.org/

#1 Open Source Free Anti Spam and Antivirus software. MailCleaner is a gateway between your mail infrastructure and Internet. Block all spam.

58.
Transactional email service: Send 10K emails for free | Zoho ZeptoMail
https://www.zoh
.com/zeptomail/

This reliable and secure transactional email service by Zoho Mail ensures guaranteed and fast delivery of transactional emails, and comes with a pay-as-you-go pricing plan.

59.
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.

60.
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.

61.
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.

63.
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.

64.
Gaggle Mail | Modern Listserv Replacement
https://gaggl
.email/

Simple group email discussion lists for your club, association, office, society, family and more. Get started in minutes. 14-day free trial.

66.
Titan SFTP Server - South River Technologies
https://southrivertec
.com/titan-sftp-server/

Titan SFTP Server, available in Azure, AWS and on-site, is the SFTP Server of choice for IT professionals. Secure, scalable FTP Server. Windows or Linux.

67.
BlueMail - The Best Email App for Windows, Mac, Linux, Android and iOS
https://bluemai
.me/

BlueMail is a modern, mobile and desktop, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP, Exchange,POP3.

69.
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.

70.
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.

71.
Kerjamail - Secure and Ad-Free Email Hosting
https://kerjamai
.co/

Host your professional email on a secure, privacy-guaranteed, and ad-free email hosting service built-in with features like email marketing services can do.

72.
Microsoft 365 Backup | Office 365 SaaS Data Protection | CloudAlly
https://www.cloudall
.com/microsoft-365-backup/

Secure Backup for Microsoft 365 trusted by 15k+ customers. Never face Microsoft 365 data loss again with unlimited AWS backup & smart recovery.

73.
SMTPServer: Send Unlimited Emails | Email Delivery Service
https://smtpserve
.com/

Send bulk, transactional, & marketing emails with our easy-to-use and reliable SMTP. Check the quality of email and improve delivery. Get started for free!

74.
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.

75.
MailArchiva
https://www.mailarchiv
.com/

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

76.
eM Client | The Best Email Client for Windows and Mac
https://emclien
.com/

Fast email client with full Gmail, Hotmail and other services synchronization. Best replacement for MS Outlook or Thunderbird. Free version for Home users.

77.
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.

79.
Best free Email client Software for Businesses / Windows and MacOS - Mailtrim
https://www.mailtri
.com/

Mailtrim provides secure Free email client software with its unique team collaboration Feature and is designed to serve the mailing needs of all business

80.
Secure Cloud Print Management Software – Serverless and Easy - Printix
https://printi
.net/

Printix cloud print management software helps companies build secure print infrastructures in the cloud, removing the need for print servers.

81.
Full Spectrum Microsoft 365 Security | Elements Collaboration Protection | WithSecure™
https://www.withsecur
.com/en/solutions/software-and-services/elements-collaboration-protection/

WithSecure™ (formerly F-Secure) Elements Collaboration Protection adds comprehensive protection beyond your Microsoft 365 security features. Learn more here.

83.
LoginRadius: Start With Identity, Go Anywhere
https://www.loginradiu
.com/

LoginRadius is a customer identity solution that manages user authentication, identity verification, social login, SSO, login security & more.

84.
Phishproof Multifactor Authentication | AuthN by IDEE
https://www.getide
.com/

The home of the company that made phish-proof MFA 'a thing'. Not only phish resistant but demonstrably phish-proof. No second device. Deploy in 15 mins!

85.
VPN and Zero Trust Networking Solutions for Business | UTunnel
https://www.utunne
.io/

With its VPN solution for business or personal use, UTunnel makes it simple to set up and manage dedicated VPN servers in the cloud or on-premise.

86.
Mobile and Web-Based Instant Messaging App For Enterprise - HCL Notes
https://www.hcl-softwar
.com/notes/

HCL Notes is the email client software that supports social collaboration. Integrates enterprise applications in a single workspace with agile security from the core.

87.
Rublon Multi-Factor Authentication (MFA) - Secure Remote Access
https://rublo
.com/

Start your Free Trial today. Secure access to networks, servers, VPNs, and applications using Two-Factor Authentication (MFA/2FA).

88.
Best Integrated CASB Solutions For Cloud Security – CloudCodes
https://www.cloudcode
.com/

CloudCodes CASB Solutions that protects Business Cloud Data with one access on any device at any place. Secure Office 365, G Suite, Dropbox, Zoho, Salesforce, Zendesk, Freshdesk, etc Cloud apps. CloudCodes is a trustworthy name in CASB vendors with its multiple services. Access Control, DLP, SSO, Identity Management, Shadow IT.

89.
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.

90.
Secure remote access to apps, desktops, and files, made easy.
http://www.awing
.com/

A unified browser-based workspace that offers secure access to company files and software, including cloud-based and legacy web and SaaS applications.

91.
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.

92.
Email Signature Manager - Overview
https://www.sympre
.com/email-signature-manager/

Deploy Outlook, Office 365 and Exchange email signatures and disclaimers. Merge user data from Active Directory/database. Include campaigns, logos, images and social media links. Built-in designer.

93.
turboSMTP mail server - Professional SMTP Service Provider
https://serversmt
.com/

Send your Transactional and marketing Emails safely, track your results and use powerful APIs designed for devolopers by developers. Try for free

94.
Beyond Identity
https://www.beyondidentit
.com/

The only secure-by-design Secure Access Platform. Eliminates access risks with SSO, Zero-Trust Identity architecture, phish-resistant MFA, Device Trust and Passwordless capabilities. The secure alternative to Okta, Microsoft Entra, Google MFA, and more.

95.
AfterLogic Corp. — mail server, webmail client, email components
https://afterlogi
.com/

AfterLogic offers mail server, ajax webmail with calendar, mail components, development and installation services

96.
Self-Hosted VPN: Access Server | OpenVPN
https://openvp
.net/access-server/

Secure your private business network with a self-hosted VPN, Access Server, ideal for cloud or on-premise setups. Free with 2 simultaneous VPN connections.

97.
Proton Mail: Get a private, secure, and encrypted email account | Proton
https://protonmai
.com/

Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

98.
Email and calendar made better | Fastmail
https://www.fastmai
.com/

Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.

99.
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.