CFLib.org – Common Function Library Project

CID()

Last updated July 13, 2005

author

John Bartlett

Version: 1 | Requires: CF6 | Library: UtilityLib

Description:
In order to send inline images with CFMX6.1u1 (or greater), you need to specify a Content ID for the attached image, which needs to be globally unique.

Return Values:
Returns a string.

Example:

<CFSET Img_mx_login=CID()>

<cfmail to="someone@somewhere.com" from="someone@somewhere.com" subject="Mail Test">
<cfmailpart type="text/html" charset="UTF-8">
<html>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%">
  <tr>
    <td bgcolor="003350" align="center">
      <img src="cid:#Img_mx_login#"><br>
      <font face="Arial" size="6" color="white">
      <b>Rocks!</b>
      </font>
    </td>
  </tr>
</table>
</body>
</html>
</cfmailpart>
<cfmailpart type="text/plain" charset="UTF-8">
Your email client sucks.
</cfmailpart>
<cfmailparam file="#Request.RootDir#CFIDE/administrator/images/mx_login.gif"
type="image/gif" contentid="#Img_mx_login#">
</cfmail>

Parameters:

No arguments.

Full UDF Source:

/**
 * Returns a globally unique Content ID value.
 * 
 * @return Returns a string. 
 * @author John Bartlett (jbartlett@strangejourney.net) 
 * @version 1, July 13, 2005 
 */
function CID() {
  // Create a globally unique identifier
  return lCase(CreateUUID() & "@" & listFirst(cgi.server_name,"."));
}
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