I experienced it today and searched twitter. Looks like a lot of people have this problem:
https://twitter.com/search?q=gmail%20account%20does%20not%20exist&src=typed_query&f=live
Gmail rejects mails with “email account does not exist” for active accounts
1–6 of 6 posts
Re: Gmail rejects mails with “email account does not exist” for active accounts
#2Re: Gmail rejects mails with “email account does not exist” for active accounts
#3just got a bounce for gmail address from aws ses.
Google status page has been updated. https://www.google.com/appsstatus#hl=en-GB&v=issue&sid=1&iid...
Re: Gmail rejects mails with “email account does not exist” for active accounts
#4Was just about to post this as I couldn't find any resources to point to an outage.. will keep an eye on this.
Ran into the same thing yesterday at 4:37 PM Central, had 25 bounced emails for that single minute in time all from Gmail, same 550 response.
Re: Gmail rejects mails with “email account does not exist” for active accounts
#5Google Workspace is also reporting a service disruption for Gmail. [1]
Re: Gmail rejects mails with “email account does not exist” for active accounts
#6Well on an old not much used wife's gmail email account stll receiving like somebody else personal life activities, paypal notifications for activities, playstation id purchases and activities /we never had PS/ , property search site subscription with appointments and many more. Never investigate that story because that account not much used actually created by me and just keep an eye on that an laughting on gmail, rumors looks correct for me