Author: Brad Jorsch Date: To: exim-dev Subject: Re: [exim-dev] header checks not working in acl_smtp_data acl
On Wed, Sep 08, 2010 at 08:44:17AM -0700, Todd Lyons wrote: >
> So my question is if there is any kind of known scenario that a
> leading From line is _supposed_ to prevent header expansion
> ($h_HEADER:) or if this is a bug? Or is a leading From line
> indicative of something else?
A leading From line is indicative of "not a valid RFC 822 message", so
it's not surprising exim didn't extract any RFC 822 headers from it.
The leading "From " is actually a part of the various mbox file formats.
