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+#!/usr/bin/perl -w
+# correct-domino-mime-conversion - does it!
+# $Id: domino,v 1.1 2004/06/08 03:59:00 rfunk Exp $
+
+use strict;
+
+# Any arguments are expected to be an mda invocation.
+if (@ARGV) {
+    my $mda = join(' ', @ARGV);
+    open(MDA, "| $mda") or die "Can't exec $mda: $!\n";
+    select(MDA);
+}
+
+# Look for a Boundary declaration in the message header
+my $decltag;
+while (<STDIN>) {
+    print;
+    if (/boundary=\"(.*)\"$/i) {
+	$decltag = $1;
+    } elsif (/^$/) {
+	# An empty line marks the end of the headers.
+	last;
+    }
+}
+
+# If we didn't find a Boundary declaration just pipe the rest of the
+# message unchanged.
+if (!defined $decltag) {
+    while (<STDIN>) {
+	print;
+    }
+    exit 0;
+}
+
+# Substitute $decltag for every ocurrence of an outer-level boundary
+# string found in the body of the message.
+my $usedtag;
+while (<STDIN>) {
+    if (/^--(.*)$/) {
+	$usedtag = $1 unless defined $usedtag;
+	if ($1 eq $usedtag) {
+	    $_ =  "--$decltag\n";
+	} elsif ($1 eq "$usedtag--") {
+	    $_ = "--$decltag--\n";
+	}
+    }
+    print;
+}
+
+=pod
+
+This script can be used to bypass a bug in the Domino-5.0.2b IMAP
+service that manifests itself when you use fetchmail as the IMAP
+client.  The problem is that fetchmail (differently from other IMAP
+clients) fetches messages in two parts, first the headers and then the
+body.  It seems that Domino converts the messages from its internal
+format into MIME twice.  In doing so, it declared a boundary string in
+the messages Content-type header and uses another one to separate the
+parts in the body.
+
+This script should be used as a mda option for fetchmail.  As
+arguments to it, pass the former mda you used.  I, for example, use the following entry in my .fetchmailrc:
+
+	poll server ... mda "/usr/bin/procmail -d %T";
+
+To use this filter, I changed the above into the following:
+
+	poll server ... mda "/home/gustavo/bin/correct-domino-mime-conversion /usr/bin/procmail -d %T";
+
+If you do not use a mda normally, you can try the following to call sendmail directly:
+
+	poll server ... mda "/home/gustavo/bin/correct-domino-mime-conversion //wherever/is/your/sendmail -oem -f %F %T";
+
+Without argumets this script is a filter that reads from its stdin and
+outputs the result into its stdout.
+
+I should mention that this bug seems to be solved in Domino 5.0.3
+(http://www.notes.net/46dom.nsf/434e319a66960d8385256857005cd97b/4499e0db6e43732b852568b2006ef7e9?OpenDocument)
+but I have not checked it.
+
+Gustavo.
+<gustavo@cpqd.com.br>
+
+=cut