Re: [exim] Exim 4.42 release

Philip Hazel wrote:

> It turns out to be a "feature". Pine 4.60 enables "format=flowed" (RFC
> 2646) BY DEFAULT. This causes it to muck around with messages, in
> particular, space-stuffing lines that start with spaces. Sure, you can
> disable this (I have now done so), and yes, there it is in the Release
> Notes, but how many ordinary users will know that using "format=flowed"
> will break signed messages? I didn't.

If you are signing the message outside of your MUA, you'll always be at
risk of the MUA making subtle changes to the message body.

However, if you are signing the message inside the MUA and it's
modifying the body after the signing process, that's clearly a bug.