Outage in Lettermint
Delay in sending emails
Resolved Minor
May 29, 2026 - Started 19 days ago
- Lasted about 2 hours
Incident Report
We are currently investigating a sudden increase in queue times for emails. Emails are delayed for ~2 minutes on average.
We will keep you posted.
Components affected
Lettermint SMTP Lettermint Outgoing (Transactional) Lettermint Outgoing (Broadcast)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
MONITORING
19 days ago - at 05/29/2026 12:00PM
A fix has been implemented and we're monitoring the situation. Queues are being processed quickly again and the time-to-inbox dropped to sub-10 seconds as expected.
Apologies for the inconvenience this caused.
IDENTIFIED
19 days ago - at 05/29/2026 11:09AM
We have identified the issue causing a delay in processing of emails and are working on a fix. Currently emails are in queue for an average of ~22 seconds, higher than the usual average of a couple milliseconds.
We will keep you posted once a fix has been implemented.
INVESTIGATING
19 days ago - at 05/29/2026 10:59AM
We are currently investigating a sudden increase in queue times for emails. Emails are delayed for ~2 minutes on average.
We will keep you posted.
Latest Lettermint outages
Time-outs with larger emails - 2 months ago
Email sending API degraded - 3 months ago
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