Blocked email still coming through

I am getting emails from blocked senders. It's the same address. Even says in the email, "This message is from a blocked sender."


[Edited by Moderator]

iMac 24″, macOS 13.2

Posted on May 30, 2023 4:13 PM

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Posted on May 30, 2023 4:30 PM

There are a few reasons this can happen: 


  • The sender is also on your allow list. The allow list takes precedence over the block list to ensure no desired mail is lost. Check your allow list to make sure the sender is not on it.
  • Your automatic junk mail filtering is turned off. Block/Allow list capabilities require Automatic Junk Mail Filtering to be enabled. 
  • The servers take up to an hour to sync changes made to your Allow and Block lists. If you very recently added somebody to your list, they may still be able to send you messages for up to an hour.
  • The person you tried to block is in your Contacts list. There is a setting in OWA > Options > block or allow to "Trust email from my contacts." Having this enabled will override any additions you may make to your blocked senders list. Uncheck this option to resolve.


27 replies

Jun 13, 2024 9:50 AM in response to GuitarTom1954

SOLUTION: After an hour in chat with an Apple rep, and more time on the phone with someone in the tech department. I think I discovered the answer to this problem of "Blocked" addresses, which should be getting sent directly to Trash or Spam, showing up in the Inbox, with a message at the top saying, "This message is from a blocked sender."


First make sure that Mail-->Settings-->Junk Mail --> "Blocked" Tab is set to the following:


Then, this is the important part, under the "Mailbox Behaviors" tab, make sure the "Trust Junk mail headers in messages" is checked.


So far, it looks like messages from blocked senders are now going into the Trash bin. According to the Apple support person, this was the necessary toggle switch. He couldn't answer why this toggle switch even exists and defaults to being off.

Jun 16, 2024 5:20 PM in response to Elysios

Regards your explanation...

I received repeat emails from senders I've blocked. They are all spam. I will sometimes see two or three on the same day and all are in my Spam folder with "Message from blocked sender"

-Senders are NOT on my allow list

-Junk mail filtering IS turned on

-Timing is not an issue... I don't expect immediate results, but I don't expect to receive mail today from a sender I blocked yesterday

-The blocked sender is NOT in my Contacts

Bottom line... blocking senders just populates the Spam folder, not the Trash. And this is inefficient because Apple does not do a very good job of differentiating emails from occasional correspondents vs. true spam. So, I have to inspect the 100-150 'blocked' emails in my spam folder to ensure a false positive for spam is dropped in there.


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Blocked email still coming through

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