Group and Mailbox had "encoding" knowledge. This was the last bit making the dom depending on encoding/decoding utils. Now the whole "dom" depends only on MimeException and ByteSequence (maybe this can be removed, too) (MIME4J-156)
james/mime4j/branches/cycleclean/core/src/main/java/org/apache/james/mime4j/field/AddressListField.java