How to Remove X-headers
ms-list at alexb.ch
Wed Mar 11 22:53:58 GMT 2009
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?
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