Resolved after 3 hours 25 minutes, affecting Email sending (SMTP service), on May 4, 2026.
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.
Affected components
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.
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