---
title: MDaemon Simple Secure Email  | Software update
description: Software update | Email server and email security insights from MDaemon Technologies, an expert in email server and email gateway software, will help you better manage your company's email system.
---

[![MDaemon Technologies](https://blog.mdaemon.com/hs-fs/hubfs/MDaemon-Technologies_logo_large.png?width=564&height=110&name=MDaemon-Technologies_logo_large.png "MDaemon Technologies")](https://mdaemon.com/)

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# MDaemon Technologies Blog

[![](https://blog.mdaemon.com/hubfs/SecurityGateway-12.5-Now-Available.png)](https://blog.mdaemon.com/securitygateway-12.5-a-refreshed-interface-smarter-attachment-protection-more)

## [SecurityGateway™ 12.5: A Refreshed Interface, Smarter Attachment Protection & More](https://blog.mdaemon.com/securitygateway-12.5-a-refreshed-interface-smarter-attachment-protection-more)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Product Updates](https://blog.mdaemon.com/topic/product-updates), [SecurityGateway](https://blog.mdaemon.com/topic/securitygateway), [Software update](https://blog.mdaemon.com/topic/software-update)

[0 Comments](https://blog.mdaemon.com/securitygateway-12.5-a-refreshed-interface-smarter-attachment-protection-more#comments-listing)

SecurityGateway 12.5 is here, and it brings a refreshed web interface, stronger defenses against disguised and mismatched attachments, more flexible domain administrator controls, faster user verification for Google Workspace domains, DNS-based domain ownership verification, and a new REST API for automation. Together, these updates give administrators more control, better visibility, and stronger protection, with less manual work. Here's a closer look at what's new.

[Read More](https://blog.mdaemon.com/securitygateway-12.5-a-refreshed-interface-smarter-attachment-protection-more)

[![](https://blog.mdaemon.com/hubfs/MDaemon_Version_26_Now_Available_-_Banner.jpg)](https://blog.mdaemon.com/mdaemon-26-is-now-available-with-single-sign-on-for-webmail-web-conferencing-improvements-and-more)

## [MDaemon 26 is now available - with Single Sign-on for Webmail, web conferencing improvements, and more!](https://blog.mdaemon.com/mdaemon-26-is-now-available-with-single-sign-on-for-webmail-web-conferencing-improvements-and-more)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [MDaemon Email Server](https://blog.mdaemon.com/topic/mdaemon-email-server), [Product Updates](https://blog.mdaemon.com/topic/product-updates), [Software update](https://blog.mdaemon.com/topic/software-update)

[0 Comments](https://blog.mdaemon.com/mdaemon-26-is-now-available-with-single-sign-on-for-webmail-web-conferencing-improvements-and-more#comments-listing)

MDaemon version 26 is here, with improvements to web conferencing, plus Single Sign-on for MDaemon Webmail, and more!

[Read More](https://blog.mdaemon.com/mdaemon-26-is-now-available-with-single-sign-on-for-webmail-web-conferencing-improvements-and-more)

[![](https://blog.mdaemon.com/hubfs/Security-Gateway_12_Blog-Banner.jpg)](https://blog.mdaemon.com/securitygateway-12-smarter-protection-stronger-performance-and-more-control)

## [Introducing SecurityGateway™ 12 - with Display Name Protection, Database Connection Pooling & More!](https://blog.mdaemon.com/securitygateway-12-smarter-protection-stronger-performance-and-more-control)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Email Security](https://blog.mdaemon.com/topic/email-security), [Product Updates](https://blog.mdaemon.com/topic/product-updates), [SecurityGateway](https://blog.mdaemon.com/topic/securitygateway), [Software update](https://blog.mdaemon.com/topic/software-update)

[0 Comments](https://blog.mdaemon.com/securitygateway-12-smarter-protection-stronger-performance-and-more-control#comments-listing)

Email threats continue to evolve, and so must the tools that protect your organization. With the release of **SecurityGateway 12**, we've added new features and enhancements that strengthen security, improve performance under heavy load, and give administrators greater visibility and control.

[Read More](https://blog.mdaemon.com/securitygateway-12-smarter-protection-stronger-performance-and-more-control)

[![](https://blog.mdaemon.com/hubfs/Updating-MDaemon_TN.jpg)](https://blog.mdaemon.com/how-to-upgrade-mdaemon-email-server-step-by-step-guide)

## [How to Upgrade MDaemon Email Server (Step-by-Step Guide)](https://blog.mdaemon.com/how-to-upgrade-mdaemon-email-server-step-by-step-guide)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Email How To](https://blog.mdaemon.com/topic/email-how-to), [Email Best Practices](https://blog.mdaemon.com/topic/email-best-practices), [Software update](https://blog.mdaemon.com/topic/software-update), [Upgrade](https://blog.mdaemon.com/topic/upgrade)

[4 Comments](https://blog.mdaemon.com/how-to-upgrade-mdaemon-email-server-step-by-step-guide#comments-listing)

Running an outdated version of MDaemon Email Server can expose your organization to security risks, compatibility issues, and missed productivity features. If your MDaemon installation predates version 21, or if you’re still using a 32-bit build, now is the time to plan an upgrade.

[Read More](https://blog.mdaemon.com/how-to-upgrade-mdaemon-email-server-step-by-step-guide)

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- [Email Security (73)](https://blog.mdaemon.com/tag/email-security)
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- [Product Updates (28)](https://blog.mdaemon.com/tag/product-updates)
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- [Stop Spam Email (25)](https://blog.mdaemon.com/tag/stop-spam-email)
- [Cybersecurity (24)](https://blog.mdaemon.com/tag/cybersecurity)
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- [Email Server (22)](https://blog.mdaemon.com/tag/email-server)
- [Two-Factor Authentication (18)](https://blog.mdaemon.com/tag/two-factor-authentication)
- [Email Gateway How-To (17)](https://blog.mdaemon.com/tag/email-gateway-how-to)
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- [SecurityGateway (13)](https://blog.mdaemon.com/tag/securitygateway)
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- [Spear Phishing (12)](https://blog.mdaemon.com/tag/spear-phishing)
- [Data Leak Prevention (11)](https://blog.mdaemon.com/tag/data-leak-prevention)
- [Email Encryption (11)](https://blog.mdaemon.com/tag/email-encryption)
- [Anti-Spoofing (10)](https://blog.mdaemon.com/tag/anti-spoofing)
- [MDaemon Webmail (10)](https://blog.mdaemon.com/tag/mdaemon-webmail)
- [Email Archiving (8)](https://blog.mdaemon.com/tag/email-archiving)
- [Email Management (8)](https://blog.mdaemon.com/tag/email-management)
- [Email Privacy (8)](https://blog.mdaemon.com/tag/email-privacy)
- [Email Spoofing (8)](https://blog.mdaemon.com/tag/email-spoofing)
- [Tutorial (8)](https://blog.mdaemon.com/tag/tutorial)
- [Business Email Compromise (7)](https://blog.mdaemon.com/tag/business-email-compromise)
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- [Email Software (6)](https://blog.mdaemon.com/tag/email-software)
- [Update (6)](https://blog.mdaemon.com/tag/update)
- [Email Authentication (5)](https://blog.mdaemon.com/tag/email-authentication)
- [Compliance (4)](https://blog.mdaemon.com/tag/compliance)
- [Email Remote Administration (4)](https://blog.mdaemon.com/tag/email-remote-administration)
- [MDaemon (4)](https://blog.mdaemon.com/tag/mdaemon)
- [MailStore Archive Server (4)](https://blog.mdaemon.com/tag/mailstore-archive-server)
- [Microsoft 365 Exchange Alternative (4)](https://blog.mdaemon.com/tag/microsoft-365-exchange-alternative)
- [Passwords (4)](https://blog.mdaemon.com/tag/passwords)
- [Software update (4)](https://blog.mdaemon.com/tag/software-update)
- [Archive (3)](https://blog.mdaemon.com/tag/archive)
- [Attachments (2)](https://blog.mdaemon.com/tag/attachments)
- [Business Email (2)](https://blog.mdaemon.com/tag/business-email)
- [Cloud (2)](https://blog.mdaemon.com/tag/cloud)
- [DMARC (2)](https://blog.mdaemon.com/tag/dmarc)
- [Email Collaboration (2)](https://blog.mdaemon.com/tag/email-collaboration)
- [Industry Insight (2)](https://blog.mdaemon.com/tag/industry-insight)
- [insider threats (2)](https://blog.mdaemon.com/tag/insider-threats)
- [msp (2)](https://blog.mdaemon.com/tag/msp)
- [Anti-Relay (1)](https://blog.mdaemon.com/tag/anti-relay)
- [BEC (1)](https://blog.mdaemon.com/tag/bec)
- [Backscatter (1)](https://blog.mdaemon.com/tag/backscatter)
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- [Content Filter (1)](https://blog.mdaemon.com/tag/content-filter)
- [DNS-BL (1)](https://blog.mdaemon.com/tag/dns-bl)
- [Disaster Recovery (1)](https://blog.mdaemon.com/tag/disaster-recovery)
- [Email Software Reviews (1)](https://blog.mdaemon.com/tag/email-software-reviews)
- [Encrypt (1)](https://blog.mdaemon.com/tag/encrypt)
- [External Email Threats (1)](https://blog.mdaemon.com/tag/external-email-threats)
- [Gateway (1)](https://blog.mdaemon.com/tag/gateway)
- [Inbox (1)](https://blog.mdaemon.com/tag/inbox)
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- [ssl (1)](https://blog.mdaemon.com/tag/ssl)
- [tax scams (1)](https://blog.mdaemon.com/tag/tax-scams)

see all

### Posts by Topic

- [Email Security (73)](https://blog.mdaemon.com/tag/email-security)
- [MDaemon Email Server (45)](https://blog.mdaemon.com/tag/mdaemon-email-server)
- [Email How To (39)](https://blog.mdaemon.com/tag/email-how-to)
- [Email Best Practices (29)](https://blog.mdaemon.com/tag/email-best-practices)
- [Phishing (28)](https://blog.mdaemon.com/tag/phishing)
- [Product Updates (28)](https://blog.mdaemon.com/tag/product-updates)
- [Security Gateway for Email (27)](https://blog.mdaemon.com/tag/security-gateway-for-email)
- [Stop Spam Email (25)](https://blog.mdaemon.com/tag/stop-spam-email)
- [Cybersecurity (24)](https://blog.mdaemon.com/tag/cybersecurity)
- [Email Security Best Practices (23)](https://blog.mdaemon.com/tag/email-security-best-practices)
- [Email Server (22)](https://blog.mdaemon.com/tag/email-server)
- [Two-Factor Authentication (18)](https://blog.mdaemon.com/tag/two-factor-authentication)
- [Email Gateway How-To (17)](https://blog.mdaemon.com/tag/email-gateway-how-to)
- [Email Security Trends (15)](https://blog.mdaemon.com/tag/email-security-trends)
- [SecurityGateway (13)](https://blog.mdaemon.com/tag/securitygateway)
- [Health Care Security (12)](https://blog.mdaemon.com/tag/health-care-security)
- [Spear Phishing (12)](https://blog.mdaemon.com/tag/spear-phishing)
- [Data Leak Prevention (11)](https://blog.mdaemon.com/tag/data-leak-prevention)
- [Email Encryption (11)](https://blog.mdaemon.com/tag/email-encryption)
- [Anti-Spoofing (10)](https://blog.mdaemon.com/tag/anti-spoofing)
- [MDaemon Webmail (10)](https://blog.mdaemon.com/tag/mdaemon-webmail)
- [Email Archiving (8)](https://blog.mdaemon.com/tag/email-archiving)
- [Email Management (8)](https://blog.mdaemon.com/tag/email-management)
- [Email Privacy (8)](https://blog.mdaemon.com/tag/email-privacy)
- [Email Spoofing (8)](https://blog.mdaemon.com/tag/email-spoofing)
- [Tutorial (8)](https://blog.mdaemon.com/tag/tutorial)
- [Business Email Compromise (7)](https://blog.mdaemon.com/tag/business-email-compromise)
- [Anti-Virus (6)](https://blog.mdaemon.com/tag/anti-virus)
- [Collaboration (6)](https://blog.mdaemon.com/tag/collaboration)
- [Email Software (6)](https://blog.mdaemon.com/tag/email-software)
- [Update (6)](https://blog.mdaemon.com/tag/update)
- [Email Authentication (5)](https://blog.mdaemon.com/tag/email-authentication)
- [Compliance (4)](https://blog.mdaemon.com/tag/compliance)
- [Email Remote Administration (4)](https://blog.mdaemon.com/tag/email-remote-administration)
- [MDaemon (4)](https://blog.mdaemon.com/tag/mdaemon)
- [MailStore Archive Server (4)](https://blog.mdaemon.com/tag/mailstore-archive-server)
- [Microsoft 365 Exchange Alternative (4)](https://blog.mdaemon.com/tag/microsoft-365-exchange-alternative)
- [Passwords (4)](https://blog.mdaemon.com/tag/passwords)
- [Software update (4)](https://blog.mdaemon.com/tag/software-update)
- [Archive (3)](https://blog.mdaemon.com/tag/archive)
- [Attachments (2)](https://blog.mdaemon.com/tag/attachments)
- [Business Email (2)](https://blog.mdaemon.com/tag/business-email)
- [Cloud (2)](https://blog.mdaemon.com/tag/cloud)
- [DMARC (2)](https://blog.mdaemon.com/tag/dmarc)
- [Email Collaboration (2)](https://blog.mdaemon.com/tag/email-collaboration)
- [Industry Insight (2)](https://blog.mdaemon.com/tag/industry-insight)
- [insider threats (2)](https://blog.mdaemon.com/tag/insider-threats)
- [msp (2)](https://blog.mdaemon.com/tag/msp)
- [Anti-Relay (1)](https://blog.mdaemon.com/tag/anti-relay)
- [BEC (1)](https://blog.mdaemon.com/tag/bec)
- [Backscatter (1)](https://blog.mdaemon.com/tag/backscatter)
- [Bayesian Learning (1)](https://blog.mdaemon.com/tag/bayesian-learning)
- [Content Filter (1)](https://blog.mdaemon.com/tag/content-filter)
- [DNS-BL (1)](https://blog.mdaemon.com/tag/dns-bl)
- [Disaster Recovery (1)](https://blog.mdaemon.com/tag/disaster-recovery)
- [Email Software Reviews (1)](https://blog.mdaemon.com/tag/email-software-reviews)
- [Encrypt (1)](https://blog.mdaemon.com/tag/encrypt)
- [External Email Threats (1)](https://blog.mdaemon.com/tag/external-email-threats)
- [Gateway (1)](https://blog.mdaemon.com/tag/gateway)
- [Inbox (1)](https://blog.mdaemon.com/tag/inbox)
- [Inbox Zero (1)](https://blog.mdaemon.com/tag/inbox-zero)
- [Macros (1)](https://blog.mdaemon.com/tag/macros)
- [Monitoring (1)](https://blog.mdaemon.com/tag/monitoring)
- [Quarantine (1)](https://blog.mdaemon.com/tag/quarantine)
- [RelayFax (1)](https://blog.mdaemon.com/tag/relayfax)
- [Software (1)](https://blog.mdaemon.com/tag/software)
- [Training (1)](https://blog.mdaemon.com/tag/training)
- [Troubleshooting (1)](https://blog.mdaemon.com/tag/troubleshooting)
- [Upgrade (1)](https://blog.mdaemon.com/tag/upgrade)
- [Web Conferencing (1)](https://blog.mdaemon.com/tag/web-conferencing)
- [Windows Server (1)](https://blog.mdaemon.com/tag/windows-server)
- [internal email threat (1)](https://blog.mdaemon.com/tag/internal-email-threat)
- [ssl (1)](https://blog.mdaemon.com/tag/ssl)
- [tax scams (1)](https://blog.mdaemon.com/tag/tax-scams)

See all

#### About MDaemon Technologies

MDaemon Technologies is a pioneer in developing email and email security software helping to protect customers from evolving cyber-security threats. Its products and services are trusted by thousands of organizations in over 140 countries. For more than two decades, the company’s products have been developed with the ongoing input of IT professionals who demand reliable, affordable software that requires minimal effort to manage.

The software can be deployed in virtual, hosted cloud, on-premises, or hybrid network environments. The company sells its software and services directly and through a network of global channel partners.

For more information, visit [www.mdaemon.com](https://www.altn.com/).

Copyright © 1996-2026 MDaemon Technologies.  View [privacy policy](https://mdaemon.com/policies/privacy-policy).

 

###### Contact Us

 +1.817-601-3222

[sales@help.mdaemon.com](mailto:sales@help.mdaemon.com)

 6340 Lake Worth Blvd.  
 Fort Worth, TX 76135