Hi !!
Technically, you're quite correct. Politically and socially, it's a serious
problem. This is a *BIG* issue among my "Internet libertarian" friends. They
absolutely do not want their ISP's interfering in any way with their home
connectivity
this is not a matter of interfering the user's connectivity, they are
just saying that any of their users could forge the isp own domain email
addresses, in fact, any zoombie or hacked computer in their cable zone
would be able to forge the isp staff addresses without any problem and
this forgeries will be trusted by other isp's using spf, a totally *BIG*
security hole.
--
Best regards ...
A little inaccuracy sometimes saves tons of explanation.
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