Schlagwort: dns

  • Mailman problems

    For one of lists, one of the sub­scri­bers had the stran­gest pro­blem. He kept get­ting boun­ces that the list ali­as does not even exist, whilst at the same time other sub­scri­bers could well wri­te to that list. It turns out that his mail ser­ver was rewri­ting the To:-address, resol­ving the CNAME of the host­na­me that […]