Gmail having issues

As of 7/22/15, 1:17 PM, Google reports the issue is resolved.
Over on the mailop list multiple people are reporting delivery problems to Gmail.
The Google status page confirms this:

7/22/15, 12:14 PM: We’re investigating reports of an issue with Gmail. We will provide more information shortly. Users may experience message delivery delays.

These delays are happening over both IPv4 and IPv6. Some attempts to send mail to Gmail MTAs are receiving the message:

Deferred: 421 4.7.0 Temporary System Problem. Try again later (MU).

I expect this will resolve soon, but right now, expect slow sending to Gmail and Google Apps hosted domains.


  1. Wendy Linow says

    I have added four email addresses to G Suite. The first three were created a couple of months ago, the latest one last week. The first three are working perfectly. The fourth one is receiving the 421 4.7.0 error message with every email that is sent. What is happening? How can this be fixed?

    1. laura says

      I don’t know for sure, but has the most recent one been logged into?


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