I am relieved to report that the issue was repaired earlier today and DMARC rewriting is back online (and has been for several hours). I know that many of you are interested in hearing the technical details, and I will make sure that we share that information shortly. Regards, Alexa > On May 18, 2018, at 12:50 AM, Randy Bush <randy@xxxxxxx> wrote: > >> On 17 May, from 17:48 UTC (13:48 EDT) to 23:48 UTC (18:49 EDT), >> outbound email from the IETF email lists failed to send. Mail sent to >> the lists went into the archives, but was not received by list >> subscribers. >> >> A problem in the DMARC-rewriting system caused outbound mail delivery >> to fail silently, without alarm or error message. The rewriting system >> has been taken offline, which restored outbound email service. The >> lists are back up. >> >> Unfortunately, because the mail was discarded rather than queued, if >> you sent mail to any IETF list today during the outage window, we ask >> you to please resend your message. >> >> We apologize for this issue and are working with the Tools Team to >> correct the system before it is put back online again. > > thanks, alexa. these things happen, and i won't even demand a refund :) > sympathies for the pain. > > < micro-management = off > > > i really appreciate technical details. there are still a few operators > left in the ietf community, and we try to learn from our oopsies. a > deeper post mortem would even be welcome as many of us are also trying > to deal with dmarc hell. you run a medium scale mail operation and any > lessons you share are appreciated. > > randy >
