[Nmh-workers] Troublesome messages

[Jon Steinhart]

Don't know if there's anything that can be done about this given the nature
of unicode and all, but I've been getting a lot of spam recently that looks
like this:


代开发票。点数优惠。可验证后付款。13651402207叶先生 微信一致

It seems to really screw up my terminal, often outputting a pile of space
and newline type characters.

Jon