On Thu, Aug 14, 2014 at 02:32:47PM -0700, Quanah Gibson-Mount wrote: > --On Thursday, August 14, 2014 10:13 PM +0000 Viktor Dukhovni > <postfix-us...@dukhovni.org> wrote: > > >There's your problem. s_client(1) treates "R" and "Q" at the > >beginnings of lines specially. You can try 'rcpt to:' (lower-case) > >to work-around the issue. > > I knew it had to be something simple, thank you. :) > > Sadly, it appears there's an issue with my sender login maps. :( > > 235 2.7.0 Authentication successful > mail from:testus...@zre-ldap003.eng.zimbra.com > 250 2.1.0 Ok > rcpt to:testus...@zre-ldap002.eng.zimbra.com
By the way, RFC5321, 2821 and 821 all require: mail from:<testus...@zre-ldap003.eng.zimbra.com> rcpt to:<testus...@zre-ldap002.eng.zimbra.com> with <> around the "reverse path" and "forward path". Postfix by default accepts your looser syntax for Sendmail compatibility, but you should not rely on this. > 553 5.7.1 <testus...@zre-ldap003.eng.zimbra.com>: Sender address rejected: > not owned by user testus...@zre-ldap003.eng.zimbra.com > > So I'll need to debug that next. :) Good luck. -- Viktor.