IDEXX incident

Mass Communications in Vello not sending to Microsoft email addresses

Minor Resolved View vendor source →

IDEXX experienced a minor incident on December 23, 2025 affecting Neo Vello and ezyVet Vello and 1 more component, lasting 35d 3h. The incident has been resolved; the full update timeline is below.

Started
Dec 23, 2025, 04:50 PM UTC
Resolved
Jan 27, 2026, 07:58 PM UTC
Duration
35d 3h
Detected by Pingoru
Dec 23, 2025, 04:50 PM UTC

Affected components

Neo VelloezyVet VelloCornerstone Vello

Update timeline

  1. investigating Dec 23, 2025, 04:50 PM UTC

    We are currently investigating an issue where Vello Mass Communication emails are not sending to Microsoft email addresses (@live.com, @outlook.com, etc.). Other transactional emails such as reminders are still sending appropriately.

  2. monitoring Jan 14, 2026, 10:31 PM UTC

    We have identified the root cause and are continuing to apply fixes and improvements. We are monitoring the system closely.

  3. resolved Jan 27, 2026, 07:58 PM UTC

    This incident is now resolved. However, we continue to monitor our email deliverability closely.