- Refreshed fix-shebang.patch
- Version 4.9
- Add a signal handler to call the cleanup funtion if the script doesn't
exit() cleanly -- Timothe Litt
- Version 4.8
- More mail client fixes
- Version 4.7
- Revert SENDER to ""
- More shellcheck cleanup
- Version 4.6
- Fixed programming logic error
- Version 4.5
- Re-work mailx support for FreeBSD
- More shellcheck fixes
- Version 4.4
- Use command -v instead of which utility to satisfy shellcheck.
- Fix unquoted MAIL and MAILMODE variables in help output
- More shellcheck fixes
- Version 4.3
- Fixed a typo in the program version
- Version 4.2
- Change CERTDAYS to CERTDIFF in the e-mail subject.
- Version 4.1
- Fix usage output
- Version 4.0
- Updated the script syntax to align with UNIX shell programming
- Check for DNS resolution failures
- First round of updates to make shellcheck happy
- Rework the logic to call mailx.
- Print the version with the "-V" option.