[BUGS] sendmail modifying incoming (possibly outgoing) mail

[Jerahmy Pocott]

On 21/02/2008, at 1:22 PM, Andrew Reilly wrote:

> This is standard operating procedure for sendmail, at least when
> there is no Content-Length header line, because From at the
> beginning of a line is what signifies the start of a message, at
> least in mbox format.  It's always been like that.  From at
> the beginning of a line that *isn't* the start of a message is
> magically turned into ">From" to avoid confusing mbox-using
> mail readers at the far end.

I believe procmail can fix it, but it would need to be running on the  
receiving side..