- Level
- confirmed
- Worst impact
- Degraded
- Components
- Email sending (SMTP service), API Servers
- Down Index
- 31of 100
What to do
Check whether you use SMTP2GO Email sending (SMTP service), API Servers. 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 1d it lasted.
Anything that failed between 2026-02-26 03:01 UTC and 2026-02-27 03:08 UTC may need a replay.Subscribe to SMTP2GO's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=smtp2go works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from SMTP2GO 2
- monitoring
We are currently aware of a global issue affecting emails sent to Microsoft-hosted domains (such as hotmail.com, outlook.com, live.com, etc.). Emails affected will show as "Processed" on the "Reports > Activity" page, and delivery attempts encounter "451 4.7.650……….." responses. This is a Microsoft-wide issue affecting multiple SMTP providers/ESPs, and we are monitoring it closely as they actively work on a fix. Thanks for your patience.
provider
- resolved
This incident has been resolved.
provider
Reports count in aggregate; nothing about you is shown.
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-ce2c3453e7
Is SMTP2GO still down?
No, this incident was resolved 2026-02-27 03:08 UTC. For SMTP2GO's live state, see https://down.guide/smtp2go.
How long did it last?
1d, from 2026-02-26 03:01 UTC to 2026-02-27 03:08 UTC, by the times SMTP2GO posted.
What was affected?
SMTP2GO named Email sending (SMTP service), API Servers.
What caused it?
SMTP2GO hasn't published a root cause. If it does, it shows here.
Where does this come from?
SMTP2GO's official status page, https://smtp2gostatus.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.