All systems operational

Refreshed

Mobile Alerting. Anywhere Incident Response.

API: Mail SMTP

Uptime 21 days 14 hours 58 minutes 40 seconds

Operational

24 hours

100.000%

Month

99.745%

Year

99.978%

All time

99.992%

API: Webhook

Uptime 1490 days 11 hours 4 minutes 36 seconds

Operational

24 hours

100.000%

Month

100.000%

Year

100.000%

All time

99.992%

Web Portal

Uptime 1490 days 20 hours 6 minutes 32 seconds

Operational

24 hours

100.000%

Month

100.000%

Year

100.000%

All time

99.993%

Incidents

Email delivery impaired

Resolved | May 30, 2025 | 12:19 GMT+02:00

There are currently isolated problems with email delivery. We are working on a solution to the problem.
We have changed the main outgoing email address IP to 132.220.132.233 but this IP is new to many mail servers.

Update: While this IP and the main DNS of mail.signl4.com is not blacklisted anymore and outgoing email traffic has normalized, please make sure to explicitly whitelist the new IP with your mail server, if applicable.

Account Portal Issues

Resolved | Mar 31, 2025 | 09:06 GMT+02:00

Some users may experience content loading issues on multiple pages of the account management portal. This is due to unavailability of external libraries.

We expect service restauration shortly. We keep you updated on the resolution progress.

Issue with 3rd party connector for Microsoft Azure Monitor

Resolved | Jan 10, 2025 | 13:30 GMT+01:00

Azure Monitor REST API seems to be available again. Azure Monitor integrations in SIGNL4 should recover soon at their next scheduled reconnect attempt. You may trigger an immediate reconnect manually by disabling and enabling the corresponding integration in the SIGNL4 portal.

+Show history

  • Resolution in progress | Jan 10, 2025 | 00:00 GMT+01:00

    We have identified an issue with connector connectivity to Microsoft Azure Monitor. Since around 01/10/2025 00:10 CET time the Azure Monitor integration is unable to communicate with the Microsoft Azure Monitor API anymore (gets response timeouts). This issue is related to problems with “Microsoft Azure Alerts” and appears as confirmed issue in affected Microsoft Azure tenants under help and support. It may also be related to issues outlined here https://azure.status.microsoft/en-us/status. Microsoft is working on a resolution of this problem.

Web portal/account portal login

Resolved | Sep 20, 2024 | 11:01 GMT+02:00

Users experienced errors when logging into the web/account portal.

We have identified the issue and have deployed a solution.

We are currently monitoring the results.

Connector applications in error status

Resolved | Aug 29, 2024 | 11:00 GMT+02:00

The team was able to resolve the underlaying issue, all connector applications are healthy again.

+Show history

  • Investigating | Aug 29, 2024 | 10:13 GMT+02:00

    We are currently investigating an issue with certain connector applications. Affected connectors have entered an error status and are currently unhealthy. You may also receive emails from SIGNL4 with health warnings for your connector. The issue does not affect all customers.

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