## page was renamed from spam/SPF
spam/SPFについて、ここに記述してください。

== spam 対策 ==
https://www.ipa.go.jp/security/topics/20120523_spf.html

[[DNS/SPF]]

http://salt.iajapan.org/wpmu/anti_spam/admin/operation/information/spf_i01/


== SPF to IP ==
https://pypi.org/project/SPF2IP/

== netaddr ==
https://pypi.org/project/netaddr/

https://netaddr.readthedocs.io/en/latest/