MIMEDefang is an e-mail filter program which works with Sendmail 8.12
and later. MIMEDefang filters all e-mail messages sent via SMTP.
MIMEDefang splits multi-part MIME messages into their components and
potentially deletes or modifies the various parts. It then
reassembles the parts back into an e-mail message and sends it on its
way.
MIMEDefang is written (mostly) in Perl, and the filter actions are
expressed in Perl. This makes MIMEDefang highly flexible and
configurable. As a simple example, you can delete all *.exe and *.com
files, convert all Word documents to HTML, and allow other attachments
through.
MIMEDefang uses the "milter" feature of Sendmail to "listen in" to
SMTP connections. It runs a scan once for each message, not once for
each recipient (as simpler procmail-based systems do.) Therefore, it
is more CPU-friendly than procmail-based systems. In addition,
because MIMEDefang can participate in the SMTP connection, you can
bounce messages (something impossible to do with procmail-based
systems.)
The sendmail Mail Filter API (Milter) is designed to allow third-party
programs access to mail messages as they are being processed in order to
filter meta-information and content.
libmilter provides the implementation of this API.
Large number of bug fixes and feature enhancements, especially Milter
(Mail Filter) support and by default installation of sendmail does not use
set-user-ID root anymore.
- GDL handling has been totally rewritten and is now more clean.
- It is now possible to destroy GDL "rename at end" entry like any other one.
- In the GDL list, sizes are now displayed using locale format.
- search result handling has been partially rewritten and is now more clean.
- The search result size is now displayed using locale format.
- old style user list is no more supported, only new one is (the one using
list cache).
- user share lists handling has been partially rewritten and is now more clean.
- The user share lists are now displayed using locale format.
- a (new) buggy clone seems to send string containing illegal character ('\0').
Because this character is also the C string end character, it truncates string
and DCTC crashs because an impossible case occurs. This version avoids the
problem.
headers in ${BUILDLINK_DIR}, simply create BUILDLINK_CPPFLAGS.<pkg>
variables whose values are appended to CPPFLAGS, which are automatically
passed to the configure and build processes.
BUILDLINK_TRANSFORM.<pkg> has little use in buildlink2 since packages are
now told that the software may be found where it really is installed, not
in ${BUILDLINK_DIR} as was the case with buildlink1. Eventually, these
variables will be declared unsupported by buildlink2.
and install perl5 modules.
The following targets are provided by this file:
do-configure runs the standard perl configuration in
each of the directories specified in
${PERL5_CONFIGURE_DIRS}.
The following variables may be set prior to including this file:
PERL5_CONFIGURE if "YES", then run the standard perl
configuration assuming Makefile.PL exists;
defaults to "YES".
PERL5_CONFIGURE_DIRS list of directories in which to run the
standard perl configuration; defaults to
${CONFIGURE_DIRS}.
PERL5_LDFLAGS extra linker flags to pass on to the build
process.
This file also does the PERL5_PACKLIST handling to generate a PLIST. When
all p5-* packages have been modified to use module.mk, then the
PERL5_PACKLIST code in bsd.pkg.mk can be removed.
* Replace ELK_USE_{X11,MOTIF} with ELK_GUI, which is either "none" or is
some combination of "xaw" and/or "motif".
* Reenable Motif -- it seems to build properly with OpenMotif-2.0.x.
* Modernize this package a bit and clean up how linker flags are passed to
the build process by using the new variables available.
