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MailerSend

Mail transfer agent delivery report delay

Degraded Lasted 0m · started · MailerSend's page

Level
confirmed
Worst impact
Degraded
Regions
us
Down Index
12of 100

What to do

  • Check whether you use MailerSend in us. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 0m it lasted.

    Anything that failed between 2026-02-19 15:35 UTC and 2024-05-19 14:00 UTC may need a replay.
  • Subscribe to MailerSend's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=mailersend works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from MailerSend 1

  1. resolved

    We have recently encountered technical difficulties that have affected the accuracy of email activity reporting within our platform. Between May 18 05:15 UTC to May 19 16:05 UTC, some users may have experienced delayed email activity reporting and inaccuracies in the timestamp on delivered activity statuses. Upon thorough investigation, we have determined that these issues stemmed from our mail transfer agent delivery report delay (email delivery was not impacted). This unforeseen challenge resulted in disruptions to our usual service standards, for which we sincerely apologize. We understand the importance of timely and accurate email communication for your operations, and we recognize the impact that these issues may have had on your experience. Please know that addressing these challenges is our top priority, and we believe that we have diligently worked towards resolving this. Your trust in our service means everything to us, and we are committed to earning back your confidence by delivering the dependable performance you expect and deserve. Should you have any questions or concerns, please do not hesitate to reach out to our support team. We are here to assist you in any way we can.

    provider

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Corrections

None so far.

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Questions about DWN-d519758138

Is MailerSend still down?

No, this incident was resolved 2024-05-19 14:00 UTC. For MailerSend's live state, see https://down.guide/mailersend.

How long did it last?

0m, from 2026-02-19 15:35 UTC to 2024-05-19 14:00 UTC, by the times MailerSend posted.

What was affected?

MailerSend named in us.

What caused it?

MailerSend hasn't published a root cause. If it does, it shows here.

Where does this come from?

MailerSend's official status page, https://status.mailersend.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.