New answers tagged incoming-email
The way I did exactly this a couple of years back was developing a SharePoint DelegateControl WebControl and staple it to the PlaceHolderAdditionalPageHead. The WebControl would include code to check if the "/_layouts/EmailSettings.aspx" page is hit and if so check who is trying to reach this page (in my case checking web.config for a particular username). ...
There yre two ways for the solution Update to the Latest CU or at least June CU 2012. Go to Central Administration > Application Management > Configure quotas and locks > on the Site Quota Information section > set a limit (i.e: 5000 MB) on this setting: “Limit site storage to a maximum of:” > and then press “OK”. After that it works for me.
There is another Document Library with the same email address. Even if you have deleted old Document Library it might still be in the Recycle bin somewhere.
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