Custom NameID in Shibboleth 2

[Emily Heiner]

I'm attempting to configure our Shib 2 IdP to send a custom NameID (in this case the email address). Adobe says they require the NameID to be an email address, and in my case it's currently sending something like this:
<saml2:NameID Format="urn:oasis:names:tc:SAML:2.0:nameid-format:transient"
                NameQualifier="https://pass.whatcom.edu/idp/shibboleth"
                SPNameQualifier="https://samltest.id/saml/sp">_902fb6940c3697b0e16ea4ea07b28fb4</saml2:NameID>

I've looked in the documentation and have come up with the following to do this:
attribute-resolver.xml:
                <resolver:AttributeDefinition xsi:type="ad:Simple" id="SAMLTestNameId" sourceAttributeID="mail">
                                <resolver:Dependency ref="myLDAP" />
                                <resolver:Dependency ref="wccLDAP" />

                                <resolver:AttributeEncoder xsi:type="SAML1StringNameIdentifier"
                                xmlns="urn:mace:shibboleth:2.0:attribute:encoder"
                                nameFormat="urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified" />

                                <resolver:AttributeEncoder xsi:type="SAML2StringNameID"
                                xmlns="urn:mace:shibboleth:2.0:attribute:encoder"
                                nameFormat="urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified" />
                </resolver:AttributeDefinition>

attribute-filter.xml:
                                <afp:AttributeRule attributeID="SAMLTestNameId">
                                                <afp:PermitValueRule xsi:type="basic:ANY" />
                                </afp:AttributeRule>

However, this doesn't change anything... Any help would be appreciated.

Thanks!
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