Mailing List Archive: [Bug 415] New: "MX points to IP address" not being detected

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http://www.exim.org/bugzilla/show_bug.cgi?id=415

Summary: "MX points to IP address" not being detected
Product: Exim
Version: 4.63
Platform: x86
OS/Version: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Lookups
AssignedTo: ph10@hermes.cam.ac.uk
ReportedBy: anomie@users.sourceforge.net
QAContact: exim-dev@exim.org

The problem is that some implementations of res_search() will recognize
"A-for-A" queries and return the IP address, rather than returning
HOST_NOT_FOUND as Exim seems to expect.

I actually noticed this when trying out the test harness, test #0145 was
failing on me by accepting the address.

I will attach a patch momentarily.

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