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Email To "Catch All" mailbox being rejected as SPAM

B0nes
Interested
Posts: 1
Registered: ‎05-07-2021

Email To "Catch All" mailbox being rejected as SPAM

Got a strange one I’d like to get to the bottom of. I use my "CatchAll" quite extensively for all different types of email testing as I look after my company mail system. I’ve testing a new outbound connector and have found an odd quirk. Mail sent from o365connectorvalidation@cambridgeorg.onmicrosoft.com  to connectorvalidation@bones-international.co.uk is rejected as spam, but only for that recipient address. Any other recpiant address (e.g somelongerrandonprefix@bones-international.co.uk, somethingelse@bones-international.co.uk or anothertest@bones-international.co.uk) is delivered without issue from the same sender ID. I’ve checked my spam settings and can’t see anything listed to be blocked. I’ve attached the tracking report and screen shot of our hosted service (Mimecast) showing rejection from PlusNet. Any ideas?  

 

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