Outage in SMTP2GO
Network Connectivity Issues
Resolved Minor
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Outage Details
We're currently investigating a networking issue. Users may encounter "451" or "421" errors when attempting to send.
Components affected
SMTP2GO Email sending (SMTP service)Latest Updates ( sorted recent to last )
RESOLVED
2 months ago - at 04/24/2025 09:05AM
This incident has been resolved.
MONITORING
2 months ago - at 04/24/2025 04:42AM
We are continuing to monitor for any further issues.
MONITORING
2 months ago - at 04/23/2025 10:04PM
A fix has been implemented and we are monitoring results.
INVESTIGATING
2 months ago - at 04/23/2025 05:59PM
We're currently investigating a networking issue. Users may encounter "451" or "421" errors when attempting to send.
Latest SMTP2GO outages
EU: Delivery Delays - 6 days ago
Display Issue of Processed Emails - 10 days ago
Investigating an issue with email processing - 18 days ago
Delivery delays to Microsoft-hosted recipients - about 1 month ago
EU Routing Issue - about 2 months ago
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