What is siMailProxyServer.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the siMailProxyServer.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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SiMailProxyServer.exe file information

The process belongs to software siMailProxyServer by GIANT Company Software inc (

Description: SiMailProxyServer.exe is not essential for Windows and will often cause problems. SiMailProxyServer.exe is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 253,952 bytes. 
The siMailProxyServer.exe file is a file with no information about its developer. The program has no visible window. It is not a Windows core file. The process uses ports to connect to or from a LAN or the Internet. SiMailProxyServer.exe is able to monitor applications. Therefore the technical security rating is 64% dangerous; however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to uninstall the program using the Control Panel ⇒ Uninstall a ProgramiHateSpam or Spam Inspector.

Recommended: Identify siMailProxyServer.exe related errors

Important: Some malware camouflages itself as siMailProxyServer.exe. Therefore, you should check the siMailProxyServer.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

dll's from IHATESPAM software that can block spam from your email client.
Comes with spam-inspector, keep it if you dont want spam.
  Johan   (further information)
Spam Inspector Keep if you are using it.

Summary: Average user rating of siMailProxyServer.exe: based on 3 votes with 3 user comments. 3 users think it's neither essential nor dangerous.

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Best practices for resolving siMailProxyServer issues

A clean and tidy computer is the key requirement for avoiding problems with siMailProxyServer. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the siMailProxyServer.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

siMailProxyServer.exe [all]