Is it reasonable to check PTR DNS records?
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by goran
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Published on 2010-05-04T11:37:39Z
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2010/05/04
11:38 UTC
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As all mail things change I wanted to get some thought if checking PTR DNS records these days is advisable?
1) I do want to use it if it will actually bring benefit
and
2) I do need to keep false positives as close to zero as possible.
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