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[Bug 467] New: SPF checking doesn't fallback to HELO with null sender
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http://www.exim.org/bugzilla/show_bug.cgi?id=467

Summary: SPF checking doesn't fallback to HELO with null sender
Product: Exim
Version: 4.66
Platform: All
OS/Version: All
Status: NEW
Severity: bug
Priority: medium
Component: Experimental
AssignedTo: ph10@hermes.cam.ac.uk
ReportedBy: peter@bowyer.org
QAContact: exim-dev@exim.org


If called correctly, libspf2 provides transparent fallback to HELO checking
instead of MFROM checking in the case of a null sender. Due to the order in
which arguments are set up in the SPF_request_t structure in spf.c, this
behaviour is subverted. SPF tests with a null sender currently always return
status 'none'.

Related to #464

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