[Mailman-Users] Stripped Subject
simon at caperet.com
Thu Dec 11 09:09:13 CET 2003
10-Dec-03 at 11:58, Paulo R Kappke (paulokappke at cyclades.com) wrote :
> Something very weird is happening with my Mailman. When someone sends an
> e-mail to a mailing list and put a long subject, 60 or 70 characters,
> the e-mail is being received with the prefix ("[list-name]") only.
> Looks like Mailman is stripping the subject.
> I am running Mailman version 2.1.1 in a RedHat 9 box.
Is it stripping the subject completely, or is it adding a completely
legal linebreak? Have you checked the raw message headers?
"Each header field can be viewed as a single, logical line of
ASCII characters, comprising a field-name and a field-body.
For convenience, the field-body portion of this conceptual
entity can be split into a multiple-line representation; this
is called "folding". The general rule is that wherever there
may be linear-white-space (NOT simply LWSP-chars), a CRLF
immediately followed by AT LEAST one LWSP-char may instead be
"Each header field is logically a single line of characters comprising
the field name, the colon, and the field body. For convenience
however, and to deal with the 998/78 character limitations per line*,
the field body portion of a header field can be split into a multiple
line representation; this is called "folding". The general rule is
that wherever this standard allows for folding white space (not simply
WSP characters), a CRLF may be inserted before any WSP. For example,
the header field:
Subject: This is a test
can be represented as:
is a test
* 998 being a sort of absolute maximum understood by a majority of MTAs;
78 being a recommended maximum line length.
Simon White. Internet Consultant, Linux/Windows Server Administration.
Bridging the gap between management, HR and the tech team.
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