On 2025-04-08 10:20, Suresh Ramasubramanian via mailop wrote:
Hi folks, we are deploying a new set of outbounds for iCloud alongside our
existing ranges.Please update any filtering that you might have.Additionally,
please note that mail from iCloud might ALSO originate from hosts with a
*.apple.com PTR rather than a *.me.com or *.icloud.com PTR. SPF / DKIM / DMARC
will be valid for all our outbound mail traffic.iCloud Outbounds -IPv4
:57.103.64.0/18
17.139.247.417.42.251.7417.57.152.4017.57.154.3917.57.155.3417.57.156.38IPv6
:2a01:b747:3000:200::/56 2a01:b747:3001:200::/56 2a01:b747:3002:200::/56
2a01:b747:3003:200::/56 2a01:b747:3005:200::/56 2a01:b747:3006:200::/56
2a01:b747:3004:200::/56 thanks—srs Apple iCloud Postmaster
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Time to update your SWIP as well..
inetnum: 57.102.0.0 - 57.103.255.255
netname: NET_57_102
country: US
admin-c: MP36561-RIPE
tech-c: MP36561-RIPE
status: LEGACY
mnt-by: APPLE-MNT
created: 2020-11-10T14:46:40Z
last-modified: 2023-11-07T18:22:15Z
source: RIPE
remarks: Geofeed https://ip-geolocation.apple.com
person: Matt Peterman
address: One Apple Park Way, Cupertino, CA 95014, USA, Mail stop
582-DEF
phone: +1-669-2272848
nic-hdl: MP36561-RIPE
mnt-by: APPLE-MNT
mnt-by: APPLE-MNT
created: 2021-09-21T06:27:38Z
last-modified: 2021-10-26T17:26:03Z
source: RIPE
You should more clearly show which IPs are used STRICTLY for your own
email infrastructure..
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