On Sun, 2006-06-25 at 23:37 -0400, Stuart D. Gathman wrote:
[...]
A disadvantage of SPF is that correctly checking SPF requires knowing
all forwarders you have set up. This can be a problem for many
non-technical end-users, and for email providers with non-technical
users.
And it is a problem if $ISP doesn't provide means (or users do not use
it - for whatever reason) to send email through $ISP MTAs.
At the moment there are voices saying that "SPF breaks legal email" -
just because this works now.
Bernd
--
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