Can't send emails with error (550 This message was classified as SPAM and may not be delivered)

dtest

Registered
Jan 27, 2022
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Hello,

we can't send an email from Outlook, we received the following error:

message did not reach some or all of the intended recipients.



Subject: test

Sent: 1/27/2022 9:46 AM



The following recipient(s) cannot be reached:



'Dania Almakari' on 1/27/2022 9:46 AM

550 This message was classified as SPAM and may not be delivered
 

cPRex

Jurassic Moderator
Staff member
Oct 19, 2014
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That's odd, but at least confirms the issue isn't an IP reputation problem or something on the server side.

When the message is marked as spam, does it give any other details in the bounceback you receive? At this point it sounds like a problem with Outlook, so there may not be much you can do on the server side to resolve the issue, but we would need more details to help troubleshoot.