Resolved

AppRiver's engineering team discovered that DNS resolution issues were causing the mail delays experienced earlier today. They have now pushed out a fix and mail is flowing normally. The team will continue to monitor mail flow to ensure there are no lingering issues.

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Recovering

AppRiver has rolled back a recent software update and mail flow appears to be stabilized. However, their engineers are investigating further to rule out other possible causes.

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Investigating

AppRiver is currently experiencing delays in delivering email. We are in contact with them and will update this page once the problem is resolved.

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Began at:

Affected components
  • Email (SMTP)
    • AppRiver (SMTP 1)
    • AppRiver (SMTP 2)