Groups.io: Changelog

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April 14, 2025

  • SYSADMIN: We're now blocking connections from Tencent's Datacenter AS 45090.

April 4, 2025

  • INTERNAL: Fixed several issues with clean shut down of the email servers.

April 2, 2025

  • INTERNAL: Changed the list of TLS cipher suites we will accept because of compatibility issues/changes at several domains.
  • INTERNAL: Upgraded to the latest version of the Go compiler.

April 1, 2025

  • CHANGE: We now turn attachments into links if they total more than 15MB in size. Also, I've improved the look of the links, and links do no require authentication for the first 5 days after they have been sent. https://beta.groups.io/g/main/message/39234
  • CHANGE: If the Date header on an email is in the future or more than days in the past, we re-write it to reflect the current time. Some email service providers block email with these dates, which they consider invalid.

March 28, 2025

  • BUGFIX: In the help center, links in the Glossary sidebar were not working.
  • BUGFIX: In the help center search, there were sometimes duplicates of results.
  • BUGFIX: In the help center search, links to some FAQ entries did not work.
  • BUGFIX: In the help center search, some searches included unrelated results.
  • CHANGE: Improved the formatting of the help center search results page.

March 27, 2025

  • CHANGE: Catch Yahoo policy bounces, indicating the email contains a URL they don't like, and treat them as soft bounces, not hard bounces.

March 25, 2025

  • CHANGE: Catch message too large bounces and treat them as soft bounces, not hard bounces.

March 21, 2025


March 19, 2025

  • INTERNAL: Improved and automated our Let's Encrypt certificate renewal system.

March 18, 2025

  • BUGFIX: Visiting the Groups.io website while logged out, we now pick up your language preference from the browser.
  • BUGFIX: When logged in, if you do not have a language preference set, we use the language preference from the browser.
  • CHANGE: We are now blocking Huawei's AS136907 cloud IP space because crawlers in that IP space were hammering the website.

March 17, 2025