[Mimedefang] Spammers - was Re: md_check_against_smtp_server and md_graphdefang_log
Joseph Brennan
brennan at columbia.edu
Thu Mar 28 11:28:36 EDT 2013
> http://spf-all.com/
According to that page:
~all SoftFail The email is likely a forgery, but the domain is in
transition.
which is not what RFC 4408 says, namely
A "SoftFail" result should be treated as somewhere between a "Fail"
and a "Neutral". The domain believes the host is not authorized but
is not willing to make that strong of a statement.
Soft fail means maybe it's authorized and maybe it's not, to my reading.
Joseph Brennan
Columbia University Information Technology
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