What appears to be happening here is that the envelope sender address for these spams is AdrianaCaldwell@archive.elespectaddor.com which matches a rule in header_filter_rules to hold mail addresses matching the regexp ".*Archive". So it _appears_ that directives in header_filter_rules trump directives from discard_these_nonmembers. Is this indeed the case? Would specifying the above address verbatim in discard_these_nonmembers give this directive precedence?

On Sat, 2016-01-23 at 19:35 -0600, Lindsay Haisley wrote:

I got the following from one of my list admins. Any suggestions as to what might be going on? I've verified that the address in question is indeed on the discard_these_nonmembers list and that the problem address isn't already subscribed.

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    So we keep getting spam postings from  jeffrey@elespectaddor.com
    caught in the "needs approval" filter. He's not a member. I've
    added him to the non-member filter under "List of non-member
    addresses whose postings will be automatically discarded" and
    banned him from membership. But half a dozen times a day we're
    still getting requests to approve a spam posting when the
    options I've set up are to discard anything from him.
    
    How are these slipping through? And is there anything we can do
    about it? It's not a disaster, but it sure is a pain.

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