[Mailman-Users] Blank Characters Removed from "Subject:" Line

[Barry Finkel]

Barry Finkel writes:

 >> I am running Mailman 2.1.9.  I have a list where one posting has a
 >> "Subject:" line:
 >> 
 >>      Change in Procedure for Computers on list with possible Antivirus Problems 
 >> 
 >> The next posting in the thread has:
 >> 
 >>      Change in Procedure for Computers on list with possible AntivirusProblems 

and "Stephen J. Turnbull" <stephen at xemacs.org> replied:

>What is happening, I guess, is that Mailman is folding that header to
>keep it within some number of characters, maybe 76 or so.  RFC 2822
>specifies that this may be done by inserting a linebreak (CRLF) before
>whitespace.  The RFC implies that the right thing to do in that case
>is to remove the CRLF only, but some MUAs also remove a space.  I
>suspect that is what is happening to this case.
>
>Can you post a copy of the "raw" header as received by Mailman and as
>sent by Mailman?

Below are pieces of two messages.  I have the original message
from the archives of the sender followed by the relevant lines of
the list .mbox file (including line numbers).

=======================================================================
-----Original Message-----
From: ...
Sent: Tuesday, June 26, 2007 2:30 PM
To: ...
Subject: RE: Change in Procedure for Computers on list with possible
AntivirusProblems

Not a question ...
=======================================================================
 184331 Subject: RE: Change in Procedure for Computers on list with possible
 184332         AntivirusProblems
 184333 Date: Tue, 26 Jun 2007 14:29:52 -0500
 184342 From: ...
 184343 To: ...

 184358 
 184359 Not a question ...

=======================================================================
=======================================================================
-----Original Message-----
From: ...
Sent: Tuesday, June 26, 2007 3:50 PM
To: ...
Cc: ...
Subject: RE: Change in Procedure for Computers on list
withpossibleAntivirusProblems

Hi ...
=======================================================================
 184735 Subject: RE: Change in Procedure for Computers on list
 184736         withpossibleAntivirusProblems
 184737 Date: Tue, 26 Jun 2007 15:50:20 -0500
 184747 From: ...
 184748 To: ...
 184751 Cc: ...

 184765 
 184766 Hi ...
=======================================================================
=======================================================================

In both cases, I do not see that Mailman has removed any blanks from
the "Subject:" line.
----------------------------------------------------------------------
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory          Phone:    +1 (630) 252-7277
9700 South Cass Avenue               Facsimile:+1 (630) 252-4601
Building 222, Room D209              Internet: BSFinkel at anl.gov
Argonne, IL   60439-4828             IBMMAIL:  I1004994