gistfile1.txt

        recipients = emailextrecipients([
            [$class: 'CulpritsRecipientProvider'],
            [$class: 'DevelopersRecipientProvider'],
            [$class: 'RequesterRecipientProvider']
        ]).split(' ')
        def filtered = []
        for (int i=0; i<recipients.length; i++) {
            if (recipients[i].contains('@foo.bar')) {
                println("Adding [${recipients[0]}]")
                filtered << recipients[i]
            }
        }
        emailext(subject: subject, body: details, to: filtered.join(' '))