Microsoft Exchange 2003 is, without a doubt, the best email platform out there. It is, however, vulnerable to attacks, and some have posted in the Microsoft forums that the antivirus programs block Microsoft Exchange 2003.
> We have an Exchange 2003 server running on a Windows 2003 server. The Exchange > server is unreachable through Outlook from Windows-based computers. However, it > is working through Outlook 2007 and Outlook 2010 from Mac computers. We are > using Trend Micro OfficeScan 8.0.0.19, and we cannot disable the security > settings in Trend Micro to block access to the Exchange server. We tried with > a Trend Micro support tech, but he does not know if there is a workaround to > resolve this issue.
This is how another user explained it in the forums:
> > We have an Exchange 2003 server running on Windows 2003. The Exchange server > is unreachable through Outlook from Windows-based computers. However, it is > working through Outlook 2007 and Outlook 2010 from Mac computers. We are using > Trend Micro OfficeScan 8.0.0.19, and we cannot disable the security settings
- Microsoft Exchange 2003 antivirus exclusions can cause massive issues with your Exchange server.
- Modifying certain registry keys or using an SMTP relay server are some of the solutions you can try.
PC problems? Solve them in minutes.
Disable antivirus real-time protection
- Launch your antivirus program.
- Navigate to the antivirus settings by going through the options offered in the antivirus.
- Go through the Advanced settings or Protection settings option.
- Now, disable the real-time protection feature.
- Close the program and restart your PC.
PC problems? Solve them in minutes.
Is your computer running slow, crashing, or giving you the dreaded Blue Screen of Death? Well, don't worry - there's a solution! ASR Pro is the ultimate software for repairing Windows errors and optimizing your PC for maximum performance. With ASR Pro, you can fix a wide range of common issues in just a few clicks. The application will detect and resolve errors, protect you from data loss and hardware failure, and optimize your system for optimal performance. So don't suffer with a slow or crashed computer any longer - download ASR Pro today!

Disable the antivirus
- Open the Antivirus software.
- Navigate to Exclusions > Add Exclusions
- Select the folder or directory you want to exclude
- Click Add
Create a new exclusion rule
- Right-click on the folder that the Exchange 2003 Antivirus is blocking and select Properties.
- On the General tab, select New
- In the New Exclusion dialog, select Files.
- In the next dialog, browse to the folder that Exchange 2003 Antivirus is blocking, select it, and click Open.
Create a new exclusion rule for the specified extension
-
Open the Windows Defender Security Center and select Virus & threat protection.
Select Virus & threat protection settings from the menu on the left.
In the right pane, click the Virus & threat protection settings icon.
In the Viruses & threat protection settings window, click Manage exclusions.
Click Add a new exclusion.
In the Add an exclusion window, enter-in the file name extension for the malicious file. - In the Add Exclusion window, click Add.
- Repeat the process for all the malicious files you want to protect.
