Connection Failures and Delays

Incident Report for SMTP2GO

Resolved

This incident has been resolved.
Posted May 04, 2026 - 22:29 UTC

Investigating

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.
Posted May 04, 2026 - 19:04 UTC
This incident affected: Email sending (SMTP service).
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