Provided by: opensmtpd-extras_5.7.1-1build1_amd64 

NAME
filter-trace — smtpd filter for tracing
SYNOPSIS
filter-trace
DESCRIPTION
filter-trace is a trace filter for smtpd(8) which accepts all mails. The purpose of this filter is to trace SMTP sessions and provide its output.
SEE ALSO
filter_api(3), smtpd.conf(5), smtpd(8)
HISTORY
The first version of filter-trace was written in 2013.
AUTHORS
Eric Faurot <eric@openbsd.org>