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(PHP 4, PHP 5)
getmxrr — Get MX records corresponding to a given Internet host name
Searches DNS for MX records corresponding to
The Internet host name.
A list of the MX records found is placed into the array
weight array is given, it will be filled
with the weight information gathered.
TRUE if any records are found; returns
FALSE if no records
were found or if an error occurred.
|5.3.0||This function is now available on Windows platforms.|
This function should not be used for the purposes of address verification. Only the mailexchangers found in DNS are returned, however, according to » RFC 2821 when no mail exchangers are listed,
hostnameitself should be used as the only mail exchanger with a priority of 0.