More interesting stuff... When I query 'free.kindle.com' I get three answers, both from dnspython and calibre-debug:
Quote:
paul@paul-laptop:~$ python test.py
Host smtp-fw-2101.amazon.com. has preference 10
Host smtp-fw-4101.amazon.com. has preference 10
Host smtp-fw-9101.amazon.com. has preference 10
paul@paul-laptop:~$ calibre-debug -c "import dns.resolver; print [getattr(x, 'exchange', None) for x in list(dns.resolver.query('free.kindle.com', 'MX'))]"
[None, None, None]
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When I try 'kindle.com' I get two answers from both:
Quote:
paul@paul-laptop:~$ python test.py
Host smtp-fw-4101.amazon.com. has preference 10
Host smtp-fw-9101.amazon.com. has preference 10
paul@paul-laptop:~$ calibre-debug -c "import dns.resolver; print [getattr(x, 'exchange', None) for x in list(dns.resolver.query('kindle.com', 'MX'))]"
[None, None]
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