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Under-qualified sysadmin crashed Amazon.com for 3 hours
(www.theregister.com)
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this post was submitted on 21 Jul 2025
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Yeah I threw like 1 week of email into a black hole unknowingly.
Instead of multiple shared mailboxes for different emails they used a master shared mailbox with a bunch of DLs all pointed to it.
The DLs were just single email contact to the one master mailbox.
Well I reinstalled Azure AD Connect (no backuo config) and didn't check off the damn contacts OU.
ALL THE EMAIL WENT TO A BLACK HOLE
After fixing the issue the email was still gone. Thankfully they had an antispam proxy service that kept a copy of all email. I restored all the aliases by resending. Managed to recover sales@company.com emails and the like.
It was the most idiotic design I've ever seen. No RBAC. Everyone just had access to "the mailbox" and they had mail filters to put it in folders. They had 3k employees too. Not a mom and pop shop at all.
I feel like some C-suite complained about "too many mailboxes" and the sysadmin "fixed it".
That person should be shot. Just because you can doesn't mean you should.
You know what, one mailbox is dangerously based. The idea of 3k employees working out of a single mailbox is so entertaining to me when I dont have to support it haha. It must have caused so many outlook crashes among other issues.
Not all employees had access to it but it was sales, accounts payable and marketing... They did manufacturing but that's still too many disciplines in one mailbox.