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  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <html newsdate="2018-06-13">
  3. <version>1</version>
  4. <head>
  5. <title>Technical Note: Mail Issues on June 8</title>
  6. </head>
  7. <body>
  8. <h1>Technical Note: Mail Issues on June 8</h1>
  9. <p>On Friday morning, one of our servers had a fatal
  10. hardware crash. This affected parts of our mail infrastructure and
  11. mailing lists. Meanwhile, all services are back to normal. We would
  12. like to inform you about what happened and which problems it caused. In a
  13. nutshell: Please make sure your emails arrived and check your SMTP
  14. settings.</p>
  15. <p>Unfortunately, due to the downtime, a small number of mails sent
  16. during this time to some of our <a
  17. href="">mailing lists</a> may have been lost
  18. while most have just been delayed. Please make sure that your mails
  19. sent on 8 and 9 June arrived their destination by checking the
  20. archives, and resend them if necessary. If you still experience
  21. problems, please <a href="/contact/">get in touch with us</a>.</p>
  22. <p>Background: The said server lost one of its hardware components for
  23. which we weren't able to get a replacement at short notice. This forced
  24. us to migrate the setup and data to a new host. We have been able to
  25. bring the most critical service back to life within the course of the
  26. day, others were reestablished during the weekend.</p>
  27. <p>At the same time, we modernised large parts of the mail
  28. infrastructure, for instance anti-spam measurements. This also involves
  29. a change in our SMTP setting for people using this service: From now on
  30. we will no longer accept mails delivered to port 25. Please make sure
  31. to use port 587 if you would like to send emails, and make sure the
  32. settings in your email clients match <a
  33. href="">our recommendations</a>.</p>
  34. <p>Please excuse the inconveniences this caused. We will work hard to
  35. prevent such a long downtime of a critical service in the future. If
  36. you would like to support our technical team, please don't hesitate to
  37. reach out to our <a
  38. href="">System
  39. Hackers</a>.</p>
  40. </body>
  41. <tags>
  42. <tag key="front-page"/>
  43. <tag key="systemhackers">System Hackers</tag>
  44. </tags>
  45. <author id="dengg"/>
  46. <author id="mehl"/>
  47. </html>