getmxrr

(PHP 4, PHP 5, PHP 7)
Get MX records corresponding to a given Internet host name
bool getmxrr ( string $hostname, array &$mxhosts [, array &$weight ] )

Searches DNS for MX records corresponding to hostname.

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.

Returns:

Returns TRUE if any records are found; returns FALSE if no records were found or if an error occurred.

Changelog:
5.3.0

This function is now available on Windows platforms.

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.

For compatibility with Windows before this was implemented, then try the » PEAR class » Net_DNS.

See also:

checkdnsrr() -

dns_get_record() -

gethostbyname() -

gethostbynamel() -

gethostbyaddr() -

doc_php
2016-02-24 16:09:43
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