At 17:05 2003-01-21 +0100, Ruud H.G. van Tol wrote:
That was what I was thinking too. I still wonder where it occurs
At the MTA, usually.
Sendmail has several configuration options relating to the "From "
separator - including an option to change the formattin:
NOTUNIX (Exclude From line support)
UnixFromLine
SaveFromLine
Flags for delivery agents:
F=U (Use UUCP-Style From line)
F=n (Don't use UNIX-style From in header)
F=E (Change extra From into >From) [30.8.19 in sendmail book]
So, most likely, your LDA is set up with the E flag, or the *LISTSERVE* is
similarly configured (probably a "prog" delivery though). Once it's been
escaped, from that point on, it'll be an escaped header. Send yourself a
test message.
The following line _should_not_ be escaped, as the line preceeding it is
not blank:
From the depths of hell, there came a spammer.
This line would be (assuming the list server is escaping them):
From the manuals, you can learn a lot of useful stuff.
and why also with a line that does not really look like an mbox
separator at all.
It _starts_ with "From ". Utilities scanning for mbox separators are not
necessarily scanning for the full context of the line (which, JFTR, isn't
chiseled in stone anywhere) - merely a "From " following a blank line (or
BOF). The separator is defined as 'a blank line followed by a line that
begins with the five characters "From ".'
We now return to our regularly scheduled programming, discussing stuff in
the manpages, and the documentation of _other_ programs.
---
Sean B. Straw / Professional Software Engineering
Procmail disclaimer: <http://www.professional.org/procmail/disclaimer.html>
Please DO NOT carbon me on list replies. I'll get my copy from the list.
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