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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>A customer needs to send emails from a Programmable Logic Controller (PLC) which cannot provide authentication. The customer’s email server is gmail which obviously requires authentication. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The PLC IP is 192.168.1.2 and the PC IP on which stunnel is installed is 192.168.1.31<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My config is: <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>cert = stunnel.pem<o:p></o:p></p><p class=MsoNormal>[smtps]<o:p></o:p></p><p class=MsoNormal>client = yes<o:p></o:p></p><p class=MsoNormal>accept = 25<o:p></o:p></p><p class=MsoNormal>connect = smtp.gmail.com:465<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The PLC is set up to send emails to the IP of the PC 192.168.1.31<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When I try to send emails I get the following in the stunnel log:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:black'>2013.06.26 14:26:30 LOG5[12384:13048]: Service [smtps] accepted connection from 192.168.1.2:2938<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>2013.06.26 14:26:30 LOG5[12384:13048]: connect_blocking: connected 74.125.130.108:465<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>2013.06.26 14:26:30 LOG5[12384:13048]: Service [smtps] connected remote server from 192.168.1.31:53599<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any help would be greatly appreciated!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Stephen Gates<o:p></o:p></p><p class=MsoNormal>Harold K. Scholz Company<o:p></o:p></p><p class=MsoNormal>7800 Serum Avenue<o:p></o:p></p><p class=MsoNormal>Ralston, NE 68127<o:p></o:p></p><p class=MsoNormal>402-339-7600<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>