Overview
You may need to clear two DNS blacklist cache entries depending on which filter is blocking the emails.
This article provides the steps to clear the blacklist cache entries for the following:
Process
NOTE: This is not a full purge of the listed blacklist entries. This process clears everything older than one hour to remove any entries that may have caused issues without entirely deleting the list, as this could cause excess spam to be allowed.
IP DNS Blacklist
- Stop all the GFI services and the IIS Admin service.
- Go to Start > Run > Type
services.msc> Hit Enter.
NOTE: This temporarily stops your email flow.
MailEssentials\Antispam Directory.config.mdb.config.mdb in Microsoft Access.Antispam2 table.orcachetti value to 3600000. This value contains the number of milliseconds that the cache will be held in memory. 3600000 is equal to 1 hour. The default value is 345600000 (4 days).
Antispam2 table and the config.mdb database.
URL DNS Blacklist
- Stop all the GFI services and the IIS Admin service.
- Go to Start > Run > Type
services.msc> Hit Enter.
NOTE: This temporarily stops your email flow.
MailEssentials\Antispam Directory.config.mdb.
config.mdb in Microsoft Access.surbl_config table.sublecachettl value to 3600000. This value contains the number of milliseconds that the cache will be held in memory. 3600000 is equal to 1 hour. The default value is 345600000 (4 days).surbl_config table and the config.mdb database.NOTE: Once the cache has been cleared, it is recommended that you return the settings to default.