MailChannels incident

Slow SMTP Transactions for Inbound Filtering

Resolved after 52 minutes, affecting SMTP Service, on February 4, 2025.

monitoring Feb 04, 2025, 04:33 AM UTC

New database nodes are online, and connections are balanced. SMTP transaction duration is dropping. We are continuing to monitor the issue.

Started
Feb 04, 2025, 04:01 AM UTC
Resolved
Feb 04, 2025, 04:54 AM UTC
Duration
52m
Detected by Pingoru
Feb 04, 2025, 04:01 AM UTC

Affected components

SMTP Service

Update timeline

  1. investigating Feb 04, 2025, 04:01 AM UTC

    We have been alerted to slow SMTP transactions on the Inbound Filtering system. We are working to identify the source of the problem.

  2. identified Feb 04, 2025, 04:17 AM UTC

    We have identified a potential cause of the delay as an overloaded database node. We are rebalancing connections to the database, and adding more nodes.

  3. monitoring Feb 04, 2025, 04:33 AM UTC

    New database nodes are online, and connections are balanced. SMTP transaction duration is dropping. We are continuing to monitor the issue.

  4. resolved Feb 04, 2025, 04:54 AM UTC

    This incident has been resolved.

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