Error Message: This message could not be sent. Try sending the message again later, or contact your network administrator. Error is [0x80070005-00000000-00000000]. You might be receiving this when trying to send from a shared mailbox on the Office 365/On-Premise Exchange or trying to send FROM a distribution list.
Even if you remove the current Outlook profile and re-create it again, the error still remains.
Your message did not reach some or all of the intended recipients.
Subject: Test email
Sent: 8/22/2017 12:44 AM
The following recipient(s) cannot be reached:
Brian Jackson on 8/22/2017 12:44 AM
This message could not be sent. Try sending the message again later, or contact your network administrator. Error is [0x80070005-00000000-00000000].
This is most likely due to the Global Address Book (GAL) in your Outlook isn’t updating. There are a couple of things you can try.
Office 365 Instructions to Fix Error
At first, try updating the address book by going to the Send/Receive tab (Outlook 2010, Outlook 2013, and Outlook 2013) and clicking on Send-Receive Groups > Download Address Book. In Outlook 2007 you can find the Download Address Book button in the Tools menu.
Then click on OK.
Now try sending again from Outlook using your shared mailbox or in the FROM address with a distribution list. Also, try grabbing the FROM address from the Global Address list instead of the GAL.
Close Microsoft Outlook and try deleting everything within the “Offline Address Books” folder. It will re-populate.
In Windows 7,8.1 and 10 it is located here:
If you are using outdated Windows XP, check the following path:
C:\Documents and Settings\Username\Local Settings\Application Data\Microsoft\Outlook\
Re-launch Outlook, and try again. After updating OAB, the error should be fixed.
You can use the Exchange Error Code Look-up tool to resolve error code 0x80070005 to MAPI_E_NO_ACCESS or E_ACCESSDENIED. This means that you need to add SendAs permission on the shared mailbox to the Exchange user (the error still exists then try to add Send-as permissions using Office 365 web base admin panel). Run the following Exchange PowerShell command:
Add-RecipientPermission "HelpDesk" -AccessRights SendAs -Trustee "Brett Jackson"