> Date: Sunday, March 26, 2017 23:50:41 +1100 > From: Voytek <li...@sbt.net.au> > > dumb question: > > if I get 'connection closed' as below, does that confirm problem is > at remote end, not my Postfix ? > > is there any other diags I can run from my end ? > > Postfix works well, but, can not send to one particular server > > from my Postfix server, I get telnet failure as so: > ># telnet 115.70.161.114 25 > Trying 115.70.161.114... > Connected to 115.70.161.114. > Escape character is '^]'. > 554 No SMTP service here. > Connection closed by foreign host. > > from a Win box on another network I get though > >> telnet 115.70.161.114 25 > 220 rosscosmetics.com.au ESMTP Trustwave SEG Ready > ehlo sbt.net.au > 250-rosscosmetics.com.au Hello sbt.net.au (110.175.246.167) > 250 SIZE > help > 214-Supported commands > 214- EHLO HELO MAIL RCPT DATA > 214- VRFY RSET NOOP QUIT > 214- > 214- SMTP Extensions supported through EHLO > 214- HELP SIZE AUTH > 214- > 214 End of HELP Info >
Wasn't this same question (about the same IPnumber) responded to earlier this month by Wietse? Date: Thursday, March 02, 2017 19:34:27 -0500 From: Wietse Venema <wie...@porcupine.org> To: Postfix users <postfix-users@postfix.org> Subject: Re: ot: 554 No SMTP service here ... # telnet 115.70.161.114 25 Trying 115.70.161.114... Connected to 115.70.161.114.
