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How do I manage anti-spam mechanisms?
The default setting is to block duplicate messages that are sent to a list. This is to prevent looping, and well as to intercept SPAM. You may configure your mailing list to disable the duplicate check by setting No CRC.
Another anti-spam mechanism is for the server to hold a message for 10 minutes before it processes it if the message is sent by someone who is not a member of the list. You can change the amount of time a message is quarantined by changing the configuration value for Spam-Delay.
Use PennNet Mailing List's Web Interface to set No CRC.
Information Systems and Computing, University of Pennsylvania