We are having problems with sending emails to @me.com addresses.
We are receiving the following error:
ERROR CODE :554 - 5.7.0 Blocked - see https://support.proofpoint.com/dnsbl-lookup.cgi?ip=136.143.169.17

Reporting-MTA: dns; mx.zohomail.eu
Arrival-Date: Fri, 1 Nov 2024 15:39:21 +0000