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