Receive Information by Email

Log Mail Notification

Receive information by email

Log Mail Notification (LMN) is a Windows service that helps you maintain full visibility over your systems at all times. The program automatically monitors defined log files and notifies you by email as soon as a critical, security‑relevant, or technically important entry appears. This allows you to react immediately before issues lead to outages or security risks.

 

How does it work?

  • LMN regularly reads the specified log files on Windows.
  • You define which text strings should be searched for – e.g. error messages, warnings, “FATAL”, “ERROR”, “Unauthorized”.
  • Once a relevant entry is detected, LMN generates a detailed email with all important information:
    • Log file name
    • Detected log entry
    • Timestamp
    • Computer name and domain
    • Original content from the log file

 

Example 1: Monitoring web server or security logs

You want to ensure that security‑relevant entries from IIS, Apache, or software logs are detected immediately.

Configuration:

  • File: C:\inetpub\logs\LogFiles\W3SVC1\u_ex*****.log
  • String: "401" or "Forbidden"
  • Interval: check every 10 minutes

Result:
LMN sends an email:

Subject: Security alert in log file on SERVER01 Details: - Log file: u_ex240101.log - Timestamp: 28.12.2025 14:32 - Computer: SERVER01
- Match: 401 - Unauthorized Access

 

Example 2: Application error monitoring

An application writes errors exclusively to its own log file instead of the Windows Event Log.

Configuration:

  • File: C:\ProgramData\MyApp\logs\error.log
  • String: "FATAL"
  • Interval: check every 5 minutes

Result:
LMN sends an email:

Subject: Application error on CLIENT05 Details: - Timestamp: 28.12.2025 09:15 - Computer: CLIENT05
- Match: FATAL - Database connection failed

 

Why is this important?

  • Fast response: You are notified immediately when a critical log entry appears.
  • Individual configuration: You define exactly which text patterns are relevant.
  • Secure communication: Email delivery via SMTP with TLS.
  • Multilingual support: German and English.
  • Easy installation: Runs as a Windows service with optional silent installation for multiple systems.
  • Long‑term monitoring: Ideal for compliance, analysis, and security‑related oversight.

 

Ideal for

  • System administrators who want to detect log errors and warnings immediately.
  • IT departments that need to monitor log files from various applications.
  • Companies that want to automatically receive security‑relevant log entries by email.

 

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