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Request #12385 getmxrr returns an invalid false message when...
Submitted: 2001-07-25 22:27 UTC Modified: 2002-04-27 15:43 UTC
From: willwong at samurai dot com Assigned:
Status: Closed Package: Feature/Change Request
PHP Version: 4.0.6 OS: FreeBSD
Private report: No CVE-ID: None
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 [2001-07-25 22:27 UTC] willwong at samurai dot com 
getmxrr is designed to return a list of mx records found for a host.

According to smtp rfcs, if no mx records are found, then the hostname's A record is considered to be the lowest mx.

Take for example the following hostname:
genet.sickkids.on.ca

This is a separate zone which does not have any MX records.  It has an A record and that suffices for people to receive email on that hostname.

getmxrr should be changed so that it should also return true if:

no mx records are found, BUT an A record exists for the hostname.

Why?
Because smtp rfc's state that if there are no mx records, the A record should be considered to be the lowest priority "mx" record.

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 [2001-07-26 02:25 UTC] andy@php.net 
reclassified
 [2002-04-27 15:43 UTC] jimw@php.net 
getmxrr() returns mx records. the standards simply indicate where to send mail when there is no mx record, which is outside the scope of what this function does.
 
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