(PHP 4, PHP 5, PHP 7)
getmxrr — Get MX records corresponding to a given Internet host name
$hostname
, array &$mxhosts
[, array &$weight
] )
Searches DNS for MX records corresponding to
hostname.
hostnameThe 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.
Returns TRUE if any records are found; returns FALSE if no records
were found or if an error occurred.
| 版本 | 说明 |
|---|---|
| 5.3.0 | This function is now available on Windows platforms. |
Note:
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.
Note:
For compatibility with Windows before this was implemented, then try the » PEAR class » Net_DNS.