(PHP 4, PHP 5)
getmxrr — Get MX records corresponding to a given Internet host name
( string $hostname
, array &$mxhosts
[, array &$weight
The Internet host name.
A list of the MX records found is placed into the array
If the weight
array is given, it will be filled
with the weight information gathered.
Returns TRUE if any records are found; returns FALSE if no records
were found or if an error occurred.
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, hostname
itself should be used as the only mail exchanger with a priority of
This function is not implemented on Windows platforms. Try the
» PEAR class