Check if MailerSend is down, recent outages, user-reported issues, and outages map.
MailerSend is working normally
Last checked from MailerSend'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 20 incidents since started monitoring MailerSend status in January 2023. We collect data from 4400+ services, and normalize the data to give you a clear picture of the impact of the outage.
10 days ago · lasted about 7 hours
We are experiencing a technical issue that might cause some delays while sending emails. All of our engineers are working hard to fix the issue as soon as possible. Thank you for your understanding, The MailerSend team
3 months ago · lasted about 1 hour
We are currently experiencing a service disruption due to a global outage affecting Google Cloud Platform (GCP), which is one of our core infrastructure providers. The Google Cloud outage is causing some instability across our app, including degr...
5 months ago · lasted about 3 hours
We're currently seeing an issue where the Delivered status isn't updating in MailerSend. Emails are still sending and delivering as expected — this is just a reporting issue. Sorry for the confusion this might've caused! We're working on a fix ...
We've tracked and collected 20 incidents since started monitoring MailerSend status
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Services commonly monitored together with MailerSend
MailerSend isn't down. You can check MailerSend status and incident details on the top of the page. IsDown continuously monitors MailerSend official status page every few minutes. In the last 24 hours, there were 0 outages reported.
MailerSend is currently operational. You can check MailerSend 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 MailerSend being slow. Check on the top of the page if there are any reported problems by other users.
IsDown monitors the MailerSend 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.
MailerSend last outage was on September 09, 2025 with the title "We're experiencing a technical issue - email delivery delay"
Because IsDown is a status page aggregator, which means that we aggregate the status of multiple cloud services. You can monitor MailerSend and all the services that impact your business. Get a dashboard with the health of all services and status updates. Set up notifications via Slack, Datadog, PagerDuty, and more, when a service you monitor has issues or when maintenances are scheduled.
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 MailerSend with maximum flexibility
IsDown monitors MailerSend for major outages. A major outage is when MailerSend experiences a critical issue that severely affects one or more services/regions. When MailerSend 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 MailerSend status page for minor outages. A minor outage is when MailerSend 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 MailerSend 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.
MailerSend 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 MailerSend and all their 5 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.
MailerSend 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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