getmxrrGet MX records corresponding to a given Internet host name
&reftitle.description;
boolgetmxrrstringhostnamearraymxhostsarrayweight
Searches DNS for MX records corresponding to
hostname.
&reftitle.parameters;
hostname
The Internet host name.
mxhosts
A list of the MX records found is placed into the array
mxhosts.
weight
If the weight array is given, it will be filled
with the weight information gathered.
&reftitle.returnvalues;
Returns &true; if any records are found; returns &false; if no records
were found or if an error occurred.
&reftitle.notes;
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
0.
This function is not implemented on Windows platforms. Try the
PEAR class
Net_DNS.
&reftitle.seealso;
checkdnsrrdns_get_recordgethostbynamegethostbynamelgethostbyaddrthe named(8) manual page