The genuine mail.exe file is a software component of T-Online by T-Online International AG.
Mail.exe is the setup and configuration file for an email facility. The email portal link from T-Online's website is just that - the email databases, servers and associated network links are managed and maintained by Deutche Telekom. T-Online was acquired by Deutche Telekom in 2006.
Mail stands for T-Online eMail
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 mail.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.
Description: Mail.exe is not essential for the Windows OS and causes relatively few problems. The file mail.exe is located in a subfolder of "C:\Program Files".
The file size on Windows 10/8/7/XP is 3,813,376 bytes.
The program has a visible window. The file is not a Windows core file. Therefore the technical security rating is 14% dangerous.
Recommended: Identify mail.exe related errors
If mail.exe is located in the C:\Windows\System32 folder, the security rating is 36% dangerous. The file size is 13,312 bytes. The program has a visible window. There is no information about the author of the file. The program is loaded during the Windows boot process (see Registry key: Run). The mail.exe file is not a Windows core file.
If mail.exe is located in a subfolder of the user's profile folder, the security rating is 46% dangerous. The file size is 963,584 bytes. There is no information about the author of the file. The program is not visible. The mail.exe file is not a Windows core file. Mail.exe is able to monitor applications.
Important: Some malware camouflages itself as mail.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the mail.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.
A clean and tidy computer is the key requirement for avoiding problems with mail. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the mail.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.