MIME Nesting Milter
The Sendmail Consortium announces the availability of nesting-filter,
which provides a temporary workaround for the deeply nested MIME
recursion denial of service attack fixed in
The nesting filter is an open source milter which detects deeply nested
MIME messages that can cause the MTA denial of service and rejects,
tempfails, quarantines, or discards those messages.
nesting-filter-1.0.0.tar.gz and verifying the
PGP signature, unpack the tar file and follow the instructions in the
enclosed README and INSTALL files for build and installation information.
NOTE: Support for nesting-filter is being provided on a best-effort
basis only. Use the e-mail address found in the README in the distribution.
Do not send questions to the sendmail-* mailing lists regarding