Check if CodeTwo Mail flow is down, recent outages, user-reported issues, and outages map.
CodeTwo Mail flow is working normally
Last checked from CodeTwo's status page
This chart displays the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe.
IsDown has tracked 6 incidents for CodeTwo Mail flow since started monitoring CodeTwo status in April 2020. We collect data from 4400+ services, and normalize the data to give you a clear picture of the impact of the outage.
7 days ago · lasted about 2 hours
Microsoft is investigating an issue where some users are experiencing delays when sending emails from Microsoft 365. As a result, messages sent through our system are also affected, since we are part of the same mail pipeline. Please refer to EX11...
over 1 year ago · lasted about 1 hour
We are investigating an issue with CodeTwo Admin Panel logon issues for some users. It looks like Microsoft Azure Active Directory B2C services are down, which means users are unable to log in to CodeTwo Admin Panel. Logging in to CodeTwo Manage S...
about 2 years ago · lasted about 21 hours
Our monitoring team have noticed that within the last 24 hours a large number of auto replies sent from Microsoft 365 tenants (everywhere in the world) has been considered as spam by Microsoft and thus not delivered to CodeTwo for final processing...
We've tracked and collected 6 incidents for CodeTwo Mail flow since started monitoring CodeTwo status
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Stay Ahead of CodeTwo Outages
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Services commonly monitored together with CodeTwo
CodeTwo Mail flow isn't down. You can check CodeTwo Mail flow status and incident details on the top of the page. IsDown continuously monitors CodeTwo Mail flow official status page every few minutes. In the last 24 hours, there were 0 outages reported.
CodeTwo Mail flow is currently operational. You can check CodeTwo Mail flow status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.
No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.
Currently there's no report of CodeTwo Mail flow being slow. Check on the top of the page if there are any reported problems by other users.
IsDown monitors the CodeTwo Mail flow official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.
CodeTwo Mail flow last outage was on August 29, 2025 with the title "[Europe] Delay when sending messages from Exchange Online due to Microsoft problems"
IsDown and DownDetector help users determine if a service is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information. The integration allows us to provide more details about the outage, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.
IsDown offers an easy way to monitor CodeTwo with maximum flexibility
IsDown monitors Mail flow for major outages. A major outage is when Mail flow experiences a critical issue that severely affects one or more services/regions. When CodeTwo marks an incident as a major outage, IsDown updates its internal status, the customer status page and dashboard. Depending on the customer settings, IsDown will also send notifications.
IsDown monitors CodeTwo status page for minor outages. A minor outage is when Mail flow experiences a small issue affecting a small percentage of its customer's applications. An example is the performance degradation of an application. When a minor outage occurs, IsDown updates its internal status and shares that information on the customer status page. Depending on the customer settings, IsDown will also send notifications.
IsDown collects all information from the outages published in CodeTwo status page to provide the most accurate information. If available, we gather the title, description, time of the outage, status, and outage updates. Another important piece of information is the affected services/regions which we use to filter the notifications that impact your business.
CodeTwo publishes scheduled maintenance events on their status page. IsDown collects all the information for each event and creates a feed that people can follow to ensure they are not surprised by unexpected downtime or problems. We also send the feed in our weekly report, alerting the next maintenances that will take place.
IsDown monitors CodeTwo and all their 72 components that can be affected by an outage. IsDown allows you to filter the notifications and status page alerts based on the components you care about. For example, you can choose which components or regions affect your business and filter out all other outages. This way you avoid alert fatigue in your team.
CodeTwo and other vendors don’t always report outages on time. Our crowdsourced status platform helps you stay ahead of outages. Users report issues and outages, sharing details on what problems they are facing. We use that info to provide early signs of outages. This way, even without an official update, you can stay ahead of possible problems.
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