# e.g., Message-ID: <5364-1342884222.165897@ldYM.FXwU.bBqK>
id='^Message-ID: <[0-9]\{1,\}-[0-9]\{1,\}\.[0-9]\{6,6\}@[-_0-9A-Za-z]\{4,4\}\.[-_0-9A-Za-z]\{4,4\}\.[-_0-9A-Za-z]\{4,4\}'
;;
# e.g., Message-ID: <5364-1342884222.165897@ldYM.FXwU.bBqK>
id='^Message-ID: <[0-9]\{1,\}-[0-9]\{1,\}\.[0-9]\{6,6\}@[-_0-9A-Za-z]\{4,4\}\.[-_0-9A-Za-z]\{4,4\}\.[-_0-9A-Za-z]\{4,4\}'
;;