Re: v=spf1 +all

[Reindl Harald]

Am 24.04.2015 um 15:22 schrieb Dianne Skoll:

On Fri, 24 Apr 2015 15:17:45 +0200
Reindl Harald <h.rei...@thelounge.net> wrote:

v=spf1 exists:gmail.com -all

makes no sense - the spammer don't own the domain in most cases and
if they do then they just don't add a SPF policy to use it with
infected clients

Spammers often register and use throwaway domains.  And check how the
exists: mechanism works

well, and how becomes SPF part of the game in case of a throw-away domain as long as "score SPF_NONE 0" - why in the world should a spammer add a TXT record to a throw-away domain?

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