I found it. Used 'alternatives --config mta' to change sendmail to postfix. It's working now. Thanks. Jeff Hammond Systems Engineer Samsung
-----Original Message----- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Viktor Dukhovni Sent: Thursday, November 01, 2018 9:40 AM To: Postfix users Subject: Re: postfix 2.6.6 configure IPV6 relayhost > On Nov 1, 2018, at 10:37 AM, Jeffery Hammond <jhamm...@sea.samsung.com> wrote: > > Nov 1 14:36:58 FTP01-A01 sendmail[18585]: wA1EawPP018585: from=root, > size=214, class=0, nrcpts=1, > msgid=<201811011436.wa1eawpp018...@sfems01-a03.samsung.com>, > relay=root@localhost Nov 1 14:36:58 FTP01-A01 sendmail[18585]: > wA1EawPP018585: to=jhamm...@gmail.com, delay=00:00:00, mailer=esmtp, > pri=30214, dsn=4.4.3, stat=queued That's not Postfix. -- Viktor.