On 6/25/24 3:02 PM, Jim Reid wrote:
On 25 Jun 2024, at 20:52, Robert Sparks <rjsparks@xxxxxxxxxxx> wrote:
This transition moves our primary mail sending to be through AWS. The relevant SPF records have already been updated.
Robert, what IP addresses (blocks) are AWS going to use for this? I can’t be the only IETFer who will need to put these in an allowlist.
That's all in the spf records:
ietf.org. 300 IN TXT "v=spf1 ip4:50.223.129.192/26
ip6:2001:559:c4c7::/48 a:ietf.org mx:mail.ietf.org ip4:192.95.54.32/27
ip6:2607:5300:60:9ccf::/64 ip4:54.240.73.154/31 include:_spf.google.com
include:spf.hostedrt.com include:amazonses.com ~all"
amazonses.com. 723 IN TXT "v=spf1 ip4:199.255.192.0/22
ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20
ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20
ip4:54.240.64.0/19 ip4:54.240.96.0/19 ip4:76.223.128.0/19
ip4:216.221.160.0/19 ip4:206.55.144.0/20 -all"
Initially, it could be from any address in the amazonses.com include. It
will settle over time to one of 54.240.73.154 or 54.240.73.155
RjS
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