# headers_add adding to a very long header line 
exim -odi a@test.ex
To: 12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    12345@some.domain.or.other, 54321@some.domain.or.other,
    last@one 
****
