[exim-dev] [Bug 684] New: $sender_host_name via CNAME resolv…

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http://bugs.exim.org/show_bug.cgi?id=684
           Summary: $sender_host_name via CNAME resolving error
           Product: Exim
           Version: 4.69
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: ACLs
        AssignedTo: nigel@???
        ReportedBy: postmaster@???
                CC: exim-dev@???

If a host PTR assigned via CNAME, variable $sender_host_name contains CNAME,
but not finally host name.

For example:
IP=85.21.42.3

nslookup output:
> 85.21.42.3

Non-authoritative answer:
3.42.21.85.in-addr.arpa canonical name = 3.subnet-0.42.21.85.in-addr.arpa.
3.subnet-0.42.21.85.in-addr.arpa        name = mx.sonet.ru.
3.subnet-0.42.21.85.in-addr.arpa        name = h3c.sonet.ru.

Finally host name: mx.sonet.ru (h3c.sonet.ru - not found)

But $sender_host_name in acl_smtp_rcpt contains
3.subnet-0.42.21.85.in-addr.arpa


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