[btns] [Fwd: Update on the Mail List Issue]
Julien Laganier <julien.laganier.IETF@googlemail.com> Sat, 06 September 2008 11:16 UTC
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Date: Sat, 06 Sep 2008 13:16:10 +0200
From: Julien Laganier <julien.laganier.IETF@googlemail.com>
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Subject: [btns] [Fwd: Update on the Mail List Issue]
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FYI: Email messages sent to IETF lists during the 16 hours before Sept. 5th 6:00 PM CEST were lost. If you had sent messages to the IETF mailing lists in that period, please check on the mailing lists' archives if they were indeed delivered, and retransmit in case they weren't. Thanks. --julien
--- Begin Message ---I want to give everyone an update on what recently took place with the IETF mail lists. Several months ago Henrik wrote a new program to replace TMDA (which was functioning until that time as the IETF spam protection mechanism). TMDA was very inefficient and those inefficiencies led to server crashes whenever a heavy spam run was made at the system. At any rate, postconfirm has been functioning quite nicely until now -- thank you Henrik! -- but, as is the case with all new pieces of software, a bug appeared. The email delivery process generally works like this: email is sent to our servers. The mail then goes to postconfirm so that it can be verified as legitimate. If it is spam, the email dies there. Legitimate email is sent to the mailman list servers -- Mailman is program the IETF currently uses for email -- for processing. Unfortunately, yesterday after a server reboot, the postconfirm program failed to restart. During the time that mail was lost, IETF mail transport was up and it was passing email to postconfirm. But because postconfirm was jammed, it reacted by throwing the mail away (rather than holding it and retrying it later). Mailman, which was up and running, didn't receive any list messages. And because of where the problem was, no one who sent a message to the list would have receive a bounce message -- the message just disappeared. However, a little while ago Henrik located the source of the problem in postonfirm and believes that he has repaired it. We also determined why postconfirm didn't restart after the server reboot, and we've corrected for that as well. Finally, we've assigned a watchdog program to postconfirm so that if it ever crashes in the future, the server will start it again and notify us that there is an issue. While we believe everything to be resolved now, we appreciate your patience as we continue to work to address any issues that may appear. And a big thank you goes to Henrik, who just spent his Friday night working to repair this problem. Alexa _______________________________________________ IETF-Announce mailing list IETF-Announce@ietf.org https://www.ietf.org/mailman/listinfo/ietf-announce--- End Message ---
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- [btns] [Fwd: Update on the Mail List Issue] Julien Laganier