Release Notes: The --loop option was added, which removes Delivered-To headers from the input message. This defends Postfix against a "mail forwarding loop" spam relay trick which could be used when renattach is installed as an smtpd-side content filter.
Release Notes: A MIME parser bug where some headers were incorrectly sanitized was fixed. Support for using "#" to suppress new_extension was added. The build scripts were fixed to handle getopt properly, so the FreeBSD port now builds without modification. Note that the software has been discontinued, so sites using renattach should switch to a different security system.
Release Notes: The potentially insecure --pipe feature has been rewritten to eliminate shell interpretation/escape risks. The RFC 2047 decoder has been improved and a base64 decoding bug has been fixed, improving support for non-ASCII filenames. Several improvements were made to help with non-Unix builds and eliminate compiler warnings.
Release Notes: An option to search inside zip attachments for malicious files has been added. Security for launching external pipes has been enhanced. This release supports Outlook-style multi-line encoded filenames.
Release Notes: This release changes the exitcodes to more sensible values and adds new .conf options to allow more flexibility in altering the Subject field.
Release Notes: A man page has been created. Sendmail compatibility has been tested and documented in the INSTALL file. The badlist format has also been enhanced to allow specific filtering actions to override the defaults.
Release Notes: This version adds a missing Subject field if required, removes the default add_subject, enhances the banned_files format to allow substring matches, relaxes the MIME parser, and adds more leeway to executable binary scan. The .conf file parser can now deal with CRLF (DOS format). This version has also tested and documented Postfix compatibility (master.cf / content_filter), adds --pipe option to send output to a command instead of stdout, improves the behaviour of -- excode and --version options, and adds a --settings option to view configuration.
Release Notes: The program was completely rewritten and is now much more structured and flexible. autoconf, automake, and getopt are now also used. RFC 2047, RFC 2231, and MIME and common variations are supported. Many other changes were also made.
Release Notes: The scripts were to be more Solaris friendly. The MIME content-type is renamed whenever a file is renamed. If an encoded filename is found, the generic filename is used.
Release Notes: Scripts for configure, make, install and uninstall have been added. A man page has been added. The code has been converted to 100% pure C. The default bad file extension list is much more complete. An upper limit has been placed on the growing-dynamic-buffer algorithm. Good and bad file extensions (settings) are now read from renattach.conf. Partial mode has been renamed to badlist mode.