--On Sunday, 20 April, 2014 12:52 -0400 Jeffrey Altman <jaltman@xxxxxxxxxxxxxxxxxxxx> wrote: >... > I took a different approach. I left the bounce detection on > but switched all @yahoo.com accounts to digest mode. Since > the mail now comes from the list instead of the @yahoo.com > sender there are no rejections. Not a perfect solution but > it prevents harm to non-@xxxxxxxxx list participants. IMO, this is quite elegant. The Yahoo users continue to get the messages, you don't get cluttered by rejection-related complaints, and those Yahoo users who don't like the digest form can take it up with Yahoo or find other accounts to use. john