IMAP Protection Settings. How to enable and configure IMAP protection for your Windows Server.
Intrusion prevention system for your Windows Server

IMAP Brute-Force Protection

IMAP Protection Overview

RdpGuard effectively protects your IMAP server from brute-force attacks.

It monitors IMAP port(s) or logs on your server and blocks attacker's IP addresses when the number of failed authentication attempts from the single IP address reaches a set limit.

Check the instructions below to learn how to enable and configure IMAP protection.

To Enable and Configure IMAP Protection

Start RdpGuard Dashboard and click on the link next to IMAP

imap protection link

IMAP Protection Link in RdpGuard Dashboard

IMAP Settings dialog will open:

imap detection engine settings

IMAP Detection Engine Settings

Monitoring method for IMAP protocol

The following monitoring methods are supported for IMAP protocol:

  • Traffic based monitoring
  • Log based monitoring

Traffic based monitoring works with any IMAP servers, SSL/TLS connections are not supported.

Log based monitoring works with particular IMAP server's logs. SSL/TLS connections are supported.

Traffic based monitoring

The following traffic based monitoring methods are supported

  • Raw Sockets - Does not work on Windows Server 2008 or with firewalls.
  • WinPcap - Works on all Windows Editions, WinPcap must be installed.

IMAP port

You may specify multiple comma-separated ports for IMAP traffic monitoring.

Log based monitoring

Log based imap monitoring

Log based IMAP Monitoring

Server type

The following IMAP servers are supported for now:

  • MailEnable
  • Kerio Connect
  • hMailServer
  • MS-Exchange
  • Axigen Mail Server

Log files directory

Specify log files directory used by selected IMAP server.

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