This article explains what to do when Sophos Endpoint Security and Control for Windows or Sophos Enterprise Console for Windows fails to send alert messages to the SMTP server. Both Sophos Enterprise Console and Sophos Endpoint Security and Control use the Windows CDOSYS interface. If the SMTP server settings are correct and a firewall or a similar device is not preventing messages from being sent to the SMTP server, then a local registry issue with the CDOSYS interface is the cause of the issue. The following sections are covered:
Applies to the following Sophos products and versions Enterprise ConsoleSophos Anti-Virus for Windows 2000+
When entering the SMTP server name in the Configure SMTP settings section of the product, click the Test button to confirm that a connection to the SMTP server can be made. If this fails, check:
If both of the possible issues are not the problem, check the Windows CDOSYS interface.
If the registry keys are missing values/data or do not exist, the Windows CDOSYS interface is not registered correctly and needs to be re-registered.
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