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CFX_ODSMXLookup is an add-on DLL for ColdFusion that allows you to
perform MX (Mail Exchange) lookups from ColdFusion pages. We use it on some of the form
processing pages that require email addresses to be entered to verify the validity of the
email address that was entered. You don't need to be concerned about passing the entire
email address since this tag will parse out the domain name if the entered DOMAIN string
contains a complete email address.
Download the latest version from ftp://ftp.hoot.com/pub/ods/cfx_odsmxlookup/cfx_odsmxlookup.zip
Try it here:
Installation
Copy the DLL onto your server and install according to the Macromedia
documentation for CFX installations.
Usage
<cfx_odsmxlookup This tag returns two results as follows: Example: <CFX_ODSMXLookup DOMAIN="coolfusion.com"
SERVER="dns1.hoot.com"> NOTE: This software is provided as-is with no warranty whatsoever.
DOMAIN="<domain to query>"
SERVER="<remote server>"
NAME="<name of returned query>"
TIMEOUT="<timeout seconds>"
DOMAIN this is the domain to query. (Required)
If the
entered string contains an "@" sign the query will be performed on the string
after the "@" sign.
SERVER the DNS server to query. (Required)
This can be a
server name (like DNS1.HOOT.COM) or an IP address.
NAME The name of the returned query is ODSMX_QUERY by default. You can change the
name with this parameter.
TIMEOUT TCP/IP timeout parameter. Default is 5 seconds.
ODSMX_QUERY This is a query result set of the MX lookup. The
two fields in the query are PREFERENCE (the lower preference numbers are the mail exchange
servers that are used first for the domain) and EXCHANGE (the qualified name of the mail
exchange).
ODSMX_RESULT Result of the query operation. Note that this
is set to "SUCCESS" if the MX query succeeded (i.e. if the DNS was contacted and
sent back a response). This value does not mean that the domain has a valid MX
record. You need to check the recordcount of the query to determine if the domain
has MX records (check that recordcount is greater than zero).
Please send all bug reports or feature requests to