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Twilio

Retroactive Incident - Issues with encoded Special Characters in email From headers

Degraded Lasted 0m · started · Twilio's page

Level
confirmed
Worst impact
Degraded
Down Index
8of 100

What to do

  • Check whether your product depends on Twilio. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 0m it lasted.

    Anything that failed between 2026-08-05 18:48 UTC and 2026-08-05 18:00 UTC may need a replay.
  • Subscribe to Twilio's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=twilio works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Twilio 1

  1. resolved

    Starting on July 16th 2026, to July 31st 2026, customers may have encountered errors when sending emails via SMTP with encoded special characters in the From header. Our engineers noticed the issue and apply a fix to correct it. There is no data loss. The issue has been resolved, and all impacted services are operating normally.

    provider

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Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-3d44cea225

Is Twilio still down?

No, this incident was resolved 2026-08-05 18:00 UTC. For Twilio's live state, see https://down.guide/twilio.

How long did it last?

0m, from 2026-08-05 18:48 UTC to 2026-08-05 18:00 UTC, by the times Twilio posted.

What caused it?

Twilio hasn't published a root cause. If it does, it shows here.

Where does this come from?

Twilio's official status page, https://status.twilio.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.