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(parent: 24b94ee) | patch
SPF: Add IP ranges as safety fallback
authorGrant Slater <github@firefishy.com>
Fri, 17 Feb 2023 23:40:02 +0000 (23:40 +0000)
committerGrant Slater <github@firefishy.com>
Fri, 17 Feb 2023 23:40:09 +0000 (23:40 +0000)
commite07f8e3688c5ba2222b5abbed1e43341c005650d
tree8390d7e58e5c234210758a92ddf6cd11107257d3tree | snapshot
parent24b94ee555a36c4136636d2f7e99699abe07ae69commit | diff
SPF: Add IP ranges as safety fallback

It appears that if email is sent from a IPv4 only server via a IPv6 server to Google (mx.google.com) the SPF IP address used to check SPF records is the IPv4 address and not the relay IPv6 address.

Add our IPv4 and IPv6 subnets as a safety net to resolve the above bug and as a safety net for any other unexpected similar issues.

Signed-off-by: Grant Slater <github@firefishy.com>
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