drmartin66 writes: Last weekend I installed a new spam filter server for a client and enable connection rejection if the sending server did not have a Reverse DNS record. Since then I have had a number of emails rejected from regulator bodies that do not have a Reverse DNS record and are refusing to have one created for their email server. What is the Slashdot communities opinion regarding Reverse DNS records, are they (should they) a standard and required or are they useless for spam fighting.
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