SMTP2GO experienced a notice incident on May 4, 2026 affecting Email sending (SMTP service), lasting 3h 25m. The incident has been resolved; the full update timeline is below.
Affected components
Email sending (SMTP service)
Update timeline
- investigating May 04, 2026, 07:04 PM UTC
Degraded performance of US inbound servers is causing processing delays, intermittent timeouts and incorrect "421 Too many concurrent SMTP connections from this IP address; please try again later." errors. This is isolated to US-based servers. If you are experiencing any of these issues, please try changing the server name to mail-eu.smtp2go.com until further notice.
- resolved May 04, 2026, 10:29 PM UTC
This incident has been resolved.