On 10/09/2015 02:08, Quanah Gibson-Mount wrote: > > We have dkim signing, and my emails to the list seem to work? Yup Authentication-Results: mail.ausics.net (amavisd-new); dkim=pass (1024-bit key) header.d=amavis.org header.b=X7zvfneB; dkim=pass (1024-bit key) header.d=zimbra.com header.b=T3e0NNFd