<div>                Thanks for these suggestions Phil. I have tried  all the variations of user name  and username + domain, and also variations with local host instead of 127.0.0.1<br>All of these variations ended up with the same error message, not recognizing username and password.<br>I  even changed the password to na App password generated by Yahoo, which is simply a 16  character alphabetic string in lower case. Same error message.<br><br>With regards SPA, my Eudora was working quite well for 10 years or more, until the 5 May this year, when I  could not access incoming mail from the Yahoo server. That is when I  decided to use stunnel, but that has been unsuccessful too.<br><br>My regards,<br>Joe<br><br><br>            </div>            <div class="yahoo_quoted" style="margin:10px 0px 0px 0.8ex;border-left:1px solid #ccc;padding-left:1ex;">                        <div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">                                <div>                    On Friday, 22 May 2020, 01:54:57 am AEST, Phil Smith III <phs3stuff@cox.net> wrote:                </div>                <div><br></div>                <div><br></div>                <div><div id="yiv7021840659"><style>#yiv7021840659 #yiv7021840659 --  _filtered {} _filtered {}#yiv7021840659  #yiv7021840659 p.yiv7021840659MsoNormal, #yiv7021840659 li.yiv7021840659MsoNormal, #yiv7021840659 div.yiv7021840659MsoNormal       {margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:New serif;}#yiv7021840659 a:link, #yiv7021840659 span.yiv7021840659MsoHyperlink  {color:#0563C1;text-decoration:underline;}#yiv7021840659 a:visited, #yiv7021840659 span.yiv7021840659MsoHyperlinkFollowed       {color:#954F72;text-decoration:underline;}#yiv7021840659 p.yiv7021840659MsoListParagraph, #yiv7021840659 li.yiv7021840659MsoListParagraph, #yiv7021840659 div.yiv7021840659MsoListParagraph     {margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;font-size:12.0pt;font-family:New serif;}#yiv7021840659 span.yiv7021840659EmailStyle17 {font-family:sans-serif;color:#1F497D;}#yiv7021840659 .yiv7021840659MsoChpDefault       {font-family:sans-serif;} _filtered {}#yiv7021840659 div.yiv7021840659WordSection1      {}#yiv7021840659   _filtered {} _filtered {} _filtered {} _filtered {} _filtered {} _filtered {} _filtered {} _filtered {} _filtered {} _filtered {}#yiv7021840659 ol   {margin-bottom:0in;}#yiv7021840659 ul   {margin-bottom:0in;}#yiv7021840659 </style><div><div class="yiv7021840659WordSection1"><p class="yiv7021840659MsoNormal"><span style="font-family:sans-serif;color:#1F497D;">Things to check:</span></p><p class="yiv7021840659MsoListParagraph" style=""><span style="font-family:sans-serif;color:#1F497D;"><span style="">1)<span style="font:7.0pt New;">     </span></span></span><span style="font-family:sans-serif;color:#1F497D;">Are you specifying the FULL email address, including domain? Yahoo requires this.</span></p><p class="yiv7021840659MsoListParagraph" style=""><span style="font-family:sans-serif;color:#1F497D;"><span style="">2)<span style="font:7.0pt New;">     </span></span></span><span style="font-family:sans-serif;color:#1F497D;">Try “localhost” instead of “127.0.0.1”; ISTR some problems with that.</span></p><p class="yiv7021840659MsoNormal"><span style="font-family:sans-serif;color:#1F497D;">  </span></p><p class="yiv7021840659MsoNormal"><span style="font-family:sans-serif;color:#1F497D;">I’m suspicious that this flat out may not be possible. Yahoo requires <a rel="nofollow" shape="rect" target="_blank" href="https://en.wikipedia.org/wiki/Secure_Password_Authentication">SPA (Secure Password Authentication</a>), apparently, and Eudora doesn’t appear to support that.</span></p><p class="yiv7021840659MsoNormal"><a rel="nofollow" shape="rect" name="_MailEndCompose"><span style="font-family:sans-serif;color:#1F497D;">  </span></a></p><div class="yiv7021840659yqt7942173152" id="yiv7021840659yqt35028"><p class="yiv7021840659MsoNormal"><b><span style="font-size:11.0pt;font-family:sans-serif;">From:</span></b><span style="font-size:11.0pt;font-family:sans-serif;"> Joe Slaven [mailto:joeslaven@yahoo.com.au] <br clear="none"><b>Sent:</b> Wednesday, May 20, 2020 8:08 PM<br clear="none"><b>To:</b> Phil Smith III <phs3stuff@cox.net>; stunnel-users@stunnel.org<br clear="none"><b>Subject:</b> Re: [stunnel-users] Need help connecting Eudora to mail servers</span></p><p class="yiv7021840659MsoNormal">  </p><div><p class="yiv7021840659MsoNormal" style="margin-bottom:12.0pt;">I have pared down the config file to the bare essentials, dealing with Yahoo only, and still get the error message about username and password being not recognized. I have tested these via browser access to my Yahoo server, and found them to be correct.<br clear="none">Does anyone have any further suggestions please?<br clear="none"><br clear="none">ERROR MESSAGE<br clear="none">"There has been an error transferring your mail.<br clear="none">POP Server [joeslaven@127.0.0.1] said ERR [AUTH] Username and password not accepted"<br clear="none">I used the same password to open My Account on Yahoo website without any problems<br clear="none"><br clear="none"><br clear="none">CONFIG FILE<br clear="none">debug=7<br clear="none">output = S:\stunnel-log.txt<br clear="none">;*******************************************************<br clear="none">;Yahoo connection<br clear="none">;*******************************************************<br clear="none">[yahoo-pop3]<br clear="none">client = yes<br clear="none">accept = 127.0.0.1:110<br clear="none">connect = pop.mail.yahoo.com:995<br clear="none">;verify = 2<br clear="none">;CAfile = ca-certs.pem<br clear="none">;checkHost = pop.mail.yahoo.com<br clear="none">;OCSPaia = yes<br clear="none"><br clear="none">[yahoo-smtp]<br clear="none">client = yes<br clear="none">accept = 127.0.0.1:25<br clear="none">connect = smtp.mail.yahoo.com:465<br clear="none">;verify = 2<br clear="none">;CAfile = ca-certs.pem<br clear="none">;checkHost = smtp.mail.yahoo.com<br clear="none">;OCSPaia = yes<br clear="none"><br clear="none"><br clear="none">EUDORA SETTINGS<br clear="none">Checking Mail->Mail Server: 127.0.0.1<br clear="none">Sending Mail->SMTP Server: 127.0.0.1<br clear="none">Use submission port (587) is UNchecked<br clear="none">Secure Sockets when Sending or Receiving : Never<br clear="none">Default port settings :<br clear="none">SMPT Port (25)<br clear="none">POP Port (110)<br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none"></p></div></div></div></div></div></div>            </div>                </div>