Ok this helped Thanks http://postfix.1071664.n5.nabble.com/smtp-source-smtp-sink-howto-td36350.html
> On Mar 7, 2019, at 5:37 PM, Viktor Dukhovni <postfix-us...@dukhovni.org> > wrote: > >> On Thu, Mar 07, 2019 at 05:24:38PM -0500, Latin Bishop wrote: >> >> $ smtp-source -s 20 -l 5120 -m 100 -M localhost:25 -m 100 -f pi@foo -t >> soydepr@foo >> smtp-source: fatal: usage: smtp-source -cdLNov -s sess -l msglen -m msgs -C >> count >> -M myhostname -f from -t to -r rcptcount -R delay -w delay host[:port] >> >> Someone help with this command > > You did not provide the required "host[:port]" (host with optional > ":port" suffix) argument. Just the options are not enough. > > -- > VIktor. >> >>