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(PHP 4, PHP 5, PHP 7, PHP 8)
getmxrr — Get MX records corresponding to a given Internet host name
Searches DNS for MX records corresponding to
hostname
.
hostname
The Internet host name.
hosts
A list of the MX records found is placed into the array
hosts
.
weights
If the weights
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.
Nota:
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 of0
.
Nota:
For compatibility with Windows before this was implemented, then try the » PEAR class » Net_DNS.
named(8)
manual page