Restore to O365 fails
I do realize that this is very likely not a Piler issue but rather O365 related… but maybe somebody already came across this issue and knows how to remediate it.
When I restore a deleted email in my O365 account, the message transfer always fails:
550 4.3.2 QUEUE.TransportAgent; message deleted by transport agent
The Piler server is setup as a connector in Exchange Online. The Smarthost is <tenant-domain>.mail.protection.outlook.com.
Mails seem to be originating from MicrosoftExchange329e71ec88ae4615bbc36ab6ce41109e@<tenant>.onmicrosoft.com
The error states that there is an NDR sent to that address, but even after assigning that address to myself, no NDR is ever received.
I have set $config['REWRITE_MESSAGE_ID'] = 1;
Any help is greatly appreciated!
Comments (2)
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repo owner -
repo owner - changed status to closed
I'm not sure if we'll have any update on the issue. If so, be sure to update this ticket.
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Unfortunately, I haven’t seen such behaviour yet. Be sure to ask on the mailing list as well, hopefully someone might have a clue. Or you may even contact the o365 tech support. Anyway, I’ll leave this issue open for a week in case someone has something to add.