How to Remove X-headers

[Glenn]

Yes, on rereading the README in the rules directory, I see that Perl 
expressions are allowed in the second (pattern-matching) field, not in the 
result field.  Drat.  Thanks for the clarification.   -Glenn.

---------- Original Message -----------
From: Julian Field <MailScanner at ecs.soton.ac.uk>
To: MailScanner discussion <mailscanner at lists.mailscanner.info>
Sent: Thu, 12 Mar 2009 14:22:04 +0000
Subject: Re: How to Remove X-headers

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> No, you can't use a regular expression to define which headers you 
> want to remove, just a list of header names. I'm fairly sure the 
> documentation does not imply that you *can* use regexps here.
> 
> On 12/3/09 14:14, Glenn wrote:
> > Oh, sorry, I did not read Joost's post carefully enough to see the 
difference
> > between his expression and mine.  However, I just tested his 
expression, /^X-
> > Mime.*\:/ , and it doesn't work either.  I am wondering if MailScanner can
> > use Perl expressions in this ruleset?  Thanks again.   -Glenn.
> >
> > ---------- Original Message -----------
> > From: "Glenn"<glenn at mail.txwes.edu>
> > To: MailScanner discussion<mailscanner at lists.mailscanner.info>
> > Sent: Thu, 12 Mar 2009 09:02:37 -0500
> > Subject: Re: How to Remove X-headers
> >
> >    
> >> Thanks for all the attention, but I'm afraid I still have the same
> >> problem.  Regardless of the propriety of doing so, I would like to
> >> be able to filter headers using the "Remove These Headers" ruleset,
> >>   and I can't get it to work with Perl regular expressions.  Joost's
> >> post seems to confirm that I am using an expression that should
> >> remove the X-MimeOLE: header, but it doesn't.  Can anyone shed light
> >> on this?  Thanks.   -Glenn.
> >>
> >> ---------- Original Message -----------
> >> From: Joost Waversveld<joost at waversveld.nl>
> >> To: MailScanner discussion<mailscanner at lists.mailscanner.info>
> >> Sent: Thu, 12 Mar 2009 09:38:58 +0100
> >> Subject: Re: How to Remove X-headers
> >>
> >>      
> >>> /^XMime.*\:/   would match XMime<something>  (and not X-
> >>> Mime<something>)
> >>>
> >>> The regular expression should be /^X-Mime.*\:/
> >>>
> >>> Best regards,
> >>>
> >>> Joost Waversveld
> >>>
> >>> Alex Broens wrote:
> >>>        
> >>>> On 3/11/2009 10:50 PM, Glenn wrote:
> >>>>          
> >>>>> We use MailScanner and Postfix on a mail gateway server and forward
> >>>>> mail to an internal Microsoft Exchange 2003 server.  Evidently,
> >>>>> enough X-headers have accumulated in an Exchange database to cause a
> >>>>> problem, so we need to remove X-headers before they are forwarded to
> >>>>> the Exchange server.
> >>>>>
> >>>>> There is a line in MailScanner.conf that allows us to name whatever
> >>>>> headers we want to remove ("Remove These Headers"), but this raises
> >>>>> some questions.  If we just blanket remove all X-headers, won't this
> >>>>> defeat features of MailScanner that depend on MailScanner adding
> >>>>> headers?
> >>>>>
> >>>>> According to hints in the MailScanner rules directory, we should be
> >>>>> able to use regular Perl expresssions to create a ruleset to exclude
> >>>>> certain headers from the delete list.  My problem is that I don't
> >>>>> have a clue how to write regular Perl expressions.  From what I've
> >>>>> read online, for example, the lines below should be equivalent, but
> >>>>> when I use the Perl expression in the ruleset it doesn't work.
> >>>>>
> >>>>> From:  [ipaddress]  X-MimeOLE:    ##this removes the X-MimeOLE header
> >>>>>
> >>>>> From:  [ipaddress]  /^XMime.*\:/  ##this doesn't
> >>>>>
> >>>>> I know this isn't a Perl forum, but I'm hoping that someone who has
> >>>>> tried this can enlighten me.  If I could just get a simple expression
> >>>>> to work, I might be able to build what I need.  Thanks.   -Glenn.
> >>>>>            
> >>>> Before you start breaking MIME headers, who told you this or what MS
> >>>> KB article covers this?
> >>>>
> >>>>          
> >>> -- 
> >>> Joost Waversveld
> >>>
> >>> -- 
> >>> MailScanner mailing list
> >>> mailscanner at lists.mailscanner.info
> >>> http://lists.mailscanner.info/mailman/listinfo/mailscanner
> >>>
> >>> Before posting, read http://wiki.mailscanner.info/posting
> >>>
> >>> Support MailScanner development - buy the book off the website!
> >>>        
> >> ------- End of Original Message -------
> >>
> >> -- 
> >> MailScanner mailing list
> >> mailscanner at lists.mailscanner.info
> >> http://lists.mailscanner.info/mailman/listinfo/mailscanner
> >>
> >> Before posting, read http://wiki.mailscanner.info/posting
> >>
> >> Support MailScanner development - buy the book off the website!
> >>      
> > ------- End of Original Message -------
> >
> >
> 
> Jules
> 
> - -- 
> Julian Field MEng CITP CEng
> www.MailScanner.info
> Buy the MailScanner book at www.MailScanner.info/store
> 
> Need help customising MailScanner?
> Contact me!
> Need help fixing or optimising your systems?
> Contact me!
> Need help getting you started solving new requirements from your 
> boss? Contact me!
> 
> PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654
> 
> -----BEGIN PGP SIGNATURE-----
> Version: PGP Desktop 9.9.1 (Build 287)
> Comment: Use Enigmail to decrypt or check this message is legitimate
> Charset: ISO-8859-1
> 
> wj8DBQFJuRqMEfZZRxQVtlQRAp1TAKCrSEREXCfFVjsC63fLHfdpRGo9tgCfTj5w
> ibl3FL6uiJr1P9lK96ALWRI=
> =r+cL
> -----END PGP SIGNATURE-----
> 
> -- 
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
> 
> -- 
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
> 
> Before posting, read http://wiki.mailscanner.info/posting
> 
> Support MailScanner development - buy the book off the website!
------- End of Original Message -------