Outage in SMTP2GO

Network Connectivity Issues

Resolved Minor

April 23, 2025 - Started 11 months ago - Lasted about 15 hours
Official incident page

Incident Report

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)

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Latest Updates ( sorted recent to last )

RESOLVED 11 months ago - at 04/24/2025 09:05AM

This incident has been resolved.

MONITORING 11 months ago - at 04/24/2025 04:42AM

We are continuing to monitor for any further issues.

MONITORING 11 months ago - at 04/23/2025 10:04PM

A fix has been implemented and we are monitoring results.

INVESTIGATING 11 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

Network Connectivity Issues - 5 days ago

Delays sending to Microsoft-hosted domains - 10 days ago

Activity Page Headers - 23 days ago

Connectivity issues for "mail-au.smtp2go.com" - 27 days ago

Delivery Delays - about 1 month ago

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