Answer
PROBLEM
List Servers are not sending out emails due to DelUser being setFrom ME_LSSubscriber.txt:
PrepareProcessing: setting are inconsistent, DelUser is set for a custom database
ENVIRONMENT
- GFI MailEssentials
- All supported environments
SOLUTION
- Stop the MailEssentials services (Disable the Spam and Anti Virus Scanning Engines)
- Browse to the folder ..\GFI\MailEssentials\AntiSpam\Data\
- Open the file config.mdb in Microsoft Access
- Open the ls_settings table
- Change the deluser column from 1 to 0
- Enable and restart the services from step 1