---
title: MDaemon Simple Secure Email  | Stop Spam Email (3)
description: Stop Spam Email | 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.  (3)
---

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# MDaemon Technologies Blog

[![](https://blog.mdaemon.com/hs-fs/hubfs/Stock%20images/Concept%20of%20sending%20e-mails%20from%20your%20computer.jpeg?width=999&quality=low)](https://blog.mdaemon.com/tracking-down-a-spambot)

## [How To Track Spam Being Sent Out From a Local PC on your Network](https://blog.mdaemon.com/tracking-down-a-spambot)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Stop Spam Email](https://blog.mdaemon.com/topic/stop-spam-email)

[0 Comments](https://blog.mdaemon.com/tracking-down-a-spambot#comments-listing)

 

Has this happened to you? Let’s say you’re the MDaemon administrator for your company, and you’ve noticed that somewhere, somehow, spam messages are being sent from within your network. Perhaps one of your PCs has been compromised. What do you do? Here are some tips to help you track the issue down.

[Read More](https://blog.mdaemon.com/tracking-down-a-spambot)

[![](https://blog.mdaemon.com/hubfs/SecurityGateway-Spam-Filter-Training.png)](https://blog.mdaemon.com/teach-securitygateway-to-recognize-spam)

## [Teach SecurityGateway to Recognize Spam](https://blog.mdaemon.com/teach-securitygateway-to-recognize-spam)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Stop Spam Email](https://blog.mdaemon.com/topic/stop-spam-email)

[0 Comments](https://blog.mdaemon.com/teach-securitygateway-to-recognize-spam#comments-listing)

SecurityGateway's Bayesian Classification feature helps train the spam filter to be more accurate over time by feeding it samples of spam and non-spam messages. Today, I’ll explain how to use these features to teach SecurityGateway how to get better at recognizing spam (false negatives – spam messages that were not filtered out) and non-spam (false positives – legitimate messages that were marked as spam).

[Read More](https://blog.mdaemon.com/teach-securitygateway-to-recognize-spam)

## [This MDaemon Email Security Feature Protects Against Spambots](https://blog.mdaemon.com/new-mdaemon-feature-helps-detect-spambots)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Email Gateway How-To](https://blog.mdaemon.com/topic/email-gateway-how-to), [Email Security](https://blog.mdaemon.com/topic/email-security), [Stop Spam Email](https://blog.mdaemon.com/topic/stop-spam-email)

[0 Comments](https://blog.mdaemon.com/new-mdaemon-feature-helps-detect-spambots#comments-listing)

![Business woman hand typing on keyboard with chat icons around](https://blog.mdaemon.com/hs-fs/hubfs/Stock%20images/Business%20woman%20hand%20typing%20on%20keyboard%20with%20chat%20icons%20around.jpeg?width=1000&name=Business%20woman%20hand%20typing%20on%20keyboard%20with%20chat%20icons%20around.jpeg)

 

Ever wonder why so much spam exists today? Though spam volumes have decreased from a high of over 90% of global email traffic, it still makes up roughly a third of that traffic, and though the numbers of junk email messages are decreasing, their malware and ransomware payloads are evolving and becoming much more dangerous. Some of the most common types of spam messages include financial scams, phishing attempts, ransomware, and botnet malware. In this article, we focus primarily on botnets.

[Read More](https://blog.mdaemon.com/new-mdaemon-feature-helps-detect-spambots)

[![](https://blog.mdaemon.com/hs-fs/hubfs/Stock%20images/Double%20exposure%20of%20businessman%20working%20with%20new%20modern%20computer%20show%20social%20network%20structure%20as%20concept.jpeg?width=999&quality=low)](https://blog.mdaemon.com/how-to-deal-with-spam-in-securitygateway)

## [How to Deal with Spam in SecurityGateway](https://blog.mdaemon.com/how-to-deal-with-spam-in-securitygateway)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Security Gateway for Email](https://blog.mdaemon.com/topic/security-gateway-for-email), [Stop Spam Email](https://blog.mdaemon.com/topic/stop-spam-email)

[0 Comments](https://blog.mdaemon.com/how-to-deal-with-spam-in-securitygateway#comments-listing)

SecurityGateway is a powerful email spam & malware filter & gateway that can be used to protect any type of mail server. It offers a layered approach to security, with protection features including data leak prevention, attachment filtering, heuristic and Bayesian analysis, zero-hour Outbreak Protection, and much more.

[Read More](https://blog.mdaemon.com/how-to-deal-with-spam-in-securitygateway)

[![](https://blog.mdaemon.com/hubfs/Return-to-Sender.png)](https://blog.mdaemon.com/are-you-receiving-replies-to-messages-you-never-sent)

## [Are You Receiving Replies to Messages you Never Sent?](https://blog.mdaemon.com/are-you-receiving-replies-to-messages-you-never-sent)

 By [Brad Wyro](https://blog.mdaemon.com/author/brad-wyro) posted in [Email Gateway How-To](https://blog.mdaemon.com/topic/email-gateway-how-to), [Email How To](https://blog.mdaemon.com/topic/email-how-to), [Email Security](https://blog.mdaemon.com/topic/email-security), [Cybersecurity](https://blog.mdaemon.com/topic/cybersecurity), [MDaemon Email Server](https://blog.mdaemon.com/topic/mdaemon-email-server), [Stop Spam Email](https://blog.mdaemon.com/topic/stop-spam-email), [Email Server](https://blog.mdaemon.com/topic/email-server), [Email Security Trends](https://blog.mdaemon.com/topic/email-security-trends)

[0 Comments](https://blog.mdaemon.com/are-you-receiving-replies-to-messages-you-never-sent#comments-listing)

[Read More](https://blog.mdaemon.com/are-you-receiving-replies-to-messages-you-never-sent)

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### Lists by Topic

- [Email Security (74)](https://blog.mdaemon.com/tag/email-security)
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- [Email How To (39)](https://blog.mdaemon.com/tag/email-how-to)
- [Email Best Practices (30)](https://blog.mdaemon.com/tag/email-best-practices)
- [Product Updates (29)](https://blog.mdaemon.com/tag/product-updates)
- [Phishing (28)](https://blog.mdaemon.com/tag/phishing)
- [Security Gateway for Email (27)](https://blog.mdaemon.com/tag/security-gateway-for-email)
- [Cybersecurity (25)](https://blog.mdaemon.com/tag/cybersecurity)
- [Stop Spam Email (25)](https://blog.mdaemon.com/tag/stop-spam-email)
- [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 (14)](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)
- [Update (7)](https://blog.mdaemon.com/tag/update)
- [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)
- [MDaemon (6)](https://blog.mdaemon.com/tag/mdaemon)
- [Email Authentication (5)](https://blog.mdaemon.com/tag/email-authentication)
- [Software update (5)](https://blog.mdaemon.com/tag/software-update)
- [Compliance (4)](https://blog.mdaemon.com/tag/compliance)
- [Email Remote Administration (4)](https://blog.mdaemon.com/tag/email-remote-administration)
- [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)
- [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

### Posts by Topic

- [Email Security (74)](https://blog.mdaemon.com/tag/email-security)
- [MDaemon Email Server (47)](https://blog.mdaemon.com/tag/mdaemon-email-server)
- [Email How To (39)](https://blog.mdaemon.com/tag/email-how-to)
- [Email Best Practices (30)](https://blog.mdaemon.com/tag/email-best-practices)
- [Product Updates (29)](https://blog.mdaemon.com/tag/product-updates)
- [Phishing (28)](https://blog.mdaemon.com/tag/phishing)
- [Security Gateway for Email (27)](https://blog.mdaemon.com/tag/security-gateway-for-email)
- [Cybersecurity (25)](https://blog.mdaemon.com/tag/cybersecurity)
- [Stop Spam Email (25)](https://blog.mdaemon.com/tag/stop-spam-email)
- [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 (14)](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)
- [Update (7)](https://blog.mdaemon.com/tag/update)
- [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)
- [MDaemon (6)](https://blog.mdaemon.com/tag/mdaemon)
- [Email Authentication (5)](https://blog.mdaemon.com/tag/email-authentication)
- [Software update (5)](https://blog.mdaemon.com/tag/software-update)
- [Compliance (4)](https://blog.mdaemon.com/tag/compliance)
- [Email Remote Administration (4)](https://blog.mdaemon.com/tag/email-remote-administration)
- [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)
- [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