Hi folks, Thanks for your help. It turns out that I needed to make user mailman a member of group list, and I needed to give the list group write permissions on the mailman locks directory. Once I did that, all was fixed.
Then I had a problem accessing the list archives, but that was easy: I needed to force Apache to follow symlinks. Once I did that, again all was well. Thanks again, Steve -- "The gift of compressing the largest number of words into the smallest amount of thought" -Winston Churchill, on Prime Minister Ramsay McDonald (whom Churchill also labeled "the boneless wonder")
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