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Re: [spf-discuss] Re: Softfail when spf-checking mails from this list, max_dns_mx=5

2007-03-15 10:54:02
On Thursday 15 March 2007 13:46, Thomas Jacob wrote:

It seems to support some modifiers not in the RFC (default= is one).

Bottom line though this shouldn't affect libspf2's interoperability
with other fully RFC compliant SPF implementations (apart
from maybe the limits issue), or am I mistaken here?

That is correct.  This is not even a 'violation' of the RFC as RFC 4408 has 
explicit allowance for addition of unknown modifiers later.

The result names are only problematic for programs calling libspf2 within a 
system.  This is an integration issue that is minor (libspf2 is well 
documented and so as long as an integrator RTFM, the shouldn't be a problem).  
It is not an interoperability concern.

Processing limits are, as you said, the core interoperablity issue here.  BTW, 
I've submitted your patch to Ubuntu.

Thanks again,

Scott K

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