Nuke old sendmail versions 8.13.4, 8.13.6 and 8.13.7.
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/all.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/defines.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/executable.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/footer.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/library.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/links.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/manpage.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/sm-test.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/UNIX/smlib.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/depend/AIX.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/depend/BSD.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/depend/CC-M.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/depend/NCR.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/depend/Solaris.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/depend/X11.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/depend/generic.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/header.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/list.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/string.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/subst_ext.m4
- [DBH] contrib/sendmail-8.13.7/devtools/M4/switch.m4