I am unable to mail to anyone at apple.com (and have tried from several different email accounts). All I get is (for example):
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Your message could not be delivered for the following reasons.
This message has been blocked.

Reporting-MTA: dns; mail-in6.apple.com
Final-Recipient: rfc822;
cocoa-dev@lists.apple.com
Action: failed
Status: 5.0.0
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This happens for both mailing lists and individuals at apple.com.
Anyone else seeing this?
Trygve