For several days now I've been trying to get to the bottom of the error:

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1"Error","jrpp-0", tried to access class javax.mail.internet.ContentDisposition from class coldfusion.mail.RFC2231Util The specific sequence of files included or processed is: C:CFusionMX7wwwrootcontentdisposition.cfm, line: 2
2java.lang.IllegalAccessError: tried to access class javax.mail.internet.ContentDisposition from class coldfusion.mail.RFC2231Util
3    at coldfusion.mail.RFC2231Util.setFileName(RFC2231Util.java:31)
4    at coldfusion.mail.MailImpl.setAttachment(MailImpl.java:780)
5    at coldfusion.tagext.net.MailParamTag.doStartTag(MailParamTag.java:257)
6    at coldfusion.runtime.CfJspPage._emptyTag(CfJspPage.java:1915)
7    at cfcontentdisposition2ecfm1804490529.runPage(C:CFusionMX7wwwrootcontentdisposition.cfm:2)
8...


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