> Date: Sunday, January 24, 2021 15:57:18 -0600 > From: "P. Ik." <pwkp...@gmail.com> > >> On Sun, Jan 24, 2021 at 9:05 AM Matus UHLAR - fantomas >> <uh...@fantomas.sk> wrote: >> >> >> example could explain much. >> >> > postconf -n returns: >> >> > mynetworks_style = subnet >> >> > smtpd_relay_restrictions = permit_mynetworks, >> > reject_unauth_destination >> >> this says you only relay mail from your network. >> something on your network (or machine) may inject mail to postfix, >> which then relays it. >> > > Thanks for the reply Matus, another user also asked for similar. As > I told them as well, I wasn't sure if based on what I was trying to > accomplish someone would see a clear error in my config. > > I have the mail server shut down until I fix this, I dug out some > examples here, I appreciate your assistance! > > Dec 26 00:48:30 mail postfix/qmgr[108]: E25E85DA: > from=<spam...@tiscali.it>, size=341, nrcpt=1 (queue active) > Dec 26 00:48:30 mail postfix/smtpd[2146]: disconnect from > unknown[172.17.0.1] ehlo=1 mail=1 rcpt=1 data=1 rset=1 quit=1 > commands=6
What is at 172.17.0.1. That is where all your examples seem to originate from, and as that's part of a non-routable range it's going to be local to your network. [please don't top post as it makes things hard to follow.]