- Set QMAILPPID for filters to know grandparent PID. Filters can log
this information to help sysadmins correlate rejections with
qmail-smtpd sessions.
- qmail-qfilter.1: Fix typo regarding file descriptor 5, and some
spellings and phrasings.
- README: Drop the stanza about setting TMPDIR, no longer relevant.
- Relicense from gnu-gpl-v2 to unlicense.
know grandparent PID. With this change, I can correlate rejections
from my homegrown badrcptto-alike filter with qmail-smtpd sessions.
While here, add LICENSE and otherwise placate pkglint.
Bump PKGREVISION.