Groups.io: Changelog

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June 18, 2025

  • NEW: We now greylist emails to +owner addresses for Improved spam filtering.

June 17, 2025

  • NEW: Implemented a new bot detection and prevention system on the website, and rolled it out to a limited set of countries.

June 16, 2025

  • NEW: Enterprise groups can now set individual DNS records instead of having to delegate a subdomain in order for us to white-label. Some DNS services don't allow subdomain delegation, so this was a problem.
  • BUGFIX: Display the full subscriber name on the moderator rejoin notifications. https://beta.groups.io/g/main/message/39358

June 13, 2025

  • SYSADMIN: Rotated DKIM keys and created a system to automate this.

June 12, 2025


June 11, 2025

  • CHANGE: Due to a policy change by Microsoft, we now have to re-write the From lines of all emails to Microsoft properties (hotmail/outlook/etc).
  • NEW: Reporting automated API uptime percentage to https://status.groups.io

June 10, 2025

  • CHANGE: Increase the max file size limit for Files uploads to 2GB.

June 9, 2025

  • CHANGE: Changed minimum supported versions of Chrome to 80, Firefox to 60, and Safari to 15. Also blocking Internet Explorer.

June 4, 2025

  • NEW: Added Hourly Email Latency graph to https://status.groups.io

May 30, 2025


May 29, 2025

  • CHANGE: Don't permit exclamation points in email addresses. They're technically allowed, but in practice they indicate spammers only.
  • CHANGE: For SMTP TLS negotiations, only use TLS version 1.2 as 1.3 is not yet widely supported. This was causing email to some servers to bounce. I have pro-actively looked for affected domains and unbounced affected accounts.
  • NEW: Added hourly web uptime and latency statistics to the Groups.io status page (https://status.groups.io) and changed the formatting to include uptime stats.

May 23, 2025

  • BUGFIX: Fixed several minor spacing issues in activity log entries.
  • NEW: Added a new Invite Only mode for groups, which when toggled, prevents people from applying or joining the group. https://beta.groups.io/g/main/message/39305