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    <p>This sounds more like postfix problem.</p>
    <p>Aki<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 20.03.2018 13:04, Armin Tangelder
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAG_L2CYiM+UgtbyMYRLejBsC5B9ifzX-3EmbKd+qAuPffRxVkg@mail.gmail.com">
      <div dir="ltr"><span style="font-size:11pt">Hi people,</span><br>
        <div class="gmail_quote">
          <div link="#0563C1" vlink="#954F72" lang="EN-US">
            <div class="m_4717948754965067619WordSection1">
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">Version
                  of my beloved Dovecot installation:</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">2.2.27 (c0f36b0)</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">I
                  moved from a OS X server to a Linux (Ubuntu) Headless
                  server.<br>
                  All fun and good to play around with. Love almost
                  everything.<br>
                  <br>
                  In the combination with Postfix and Dovecot I’m stuck
                  to despair into oblivion.</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">Everything
                  works except I cannot send mail from my (OS X) Outlook
                  client I keep getting:</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">Connection
                  to the server failed or was dropped. Error Code -3253</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">Nothing
                  More and nothing less. O do not get any other error in
                  a logfile or anything. <br>
                  And I followed almost every installation manual I
                  found. Postfix I can send and receive through telnet.<br>
                  But I just can’t get this to work…<br>
                  <br>
                  The mail doesn’t even reach Postfix queue as I cannot
                  connect to send. <br>
                  I do have a awesome connection receiving my mail
                  though </span><span
                  style="font-size:11.0pt;font-family:"Apple Color
                  Emoji"">☺</span><span style="font-size:11.0pt"> <br>
                  <br>
                  Anyway:<br>
                  <br>
                  dovecot -n gives this (and I probably don’t see it
                  anymore as I’ve been at this for several days now)<br>
                  <br>
                </span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1"># 2.2.27 (c0f36b0):
                  /etc/dovecot/dovecot.conf</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1"># Pigeonhole version
                  0.4.16 (fed8554)</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1"># OS: Linux
                  4.13.0-37-generic x86_64 Ubuntu 17.10</span><span
                  class="m_4717948754965067619apple-converted-space"> </span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">auth_mechanisms =
                  plain login</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">auth_realms = <a
                    href="http://formule1.demon.nl" target="_blank"
                    moz-do-not-send="true">formule1.demon.nl</a></span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">login_greeting =
                  Dovecot ready.</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">mail_location =
                  maildir:~/Maildir</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">mail_max_userip_connections
                  = 50</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">namespace inbox {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">inbox = yes</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">location =</span><span
                  class="m_4717948754965067619apple-converted-space"> </span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">mailbox Drafts {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">special_use
                  = \Drafts</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">mailbox Junk {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">special_use
                  = \Junk</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">mailbox Sent {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">special_use
                  = \Sent</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">mailbox "Sent
                  Messages" {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">special_use
                  = \Sent</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">mailbox Trash {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">special_use
                  = \Trash</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">prefix =</span><span
                  class="m_4717948754965067619apple-converted-space"> </span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">passdb {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">driver = pam</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">protocols = imap</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">service auth {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">unix_listener
                  /var/spool/postfix/private/<wbr>auth {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">group =
                  postfix</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">mode = 0666</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">   
                </span><span class="m_4717948754965067619s1">user =
                  postfix</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">ssl_cert =
                  </etc/ssl/certs/server.crt</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">ssl_key =</span><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1"># hidden, use -P to
                  show it</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">userdb {</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619apple-converted-space">  </span><span
                  class="m_4717948754965067619s1">driver = passwd</span></p>
              <p class="m_4717948754965067619p1"><span
                  class="m_4717948754965067619s1">}</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">Anything
                  useful I would love to see.<br>
                  Any information needed.</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">THNKS…</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">Armin</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">--</span></p>
              <p class="MsoNormal"><span style="font-size:11.0pt">Very
                  funny Scotty, now beam down my clothes…</span></p>
            </div>
          </div>
        </div>
        <br>
      </div>
    </blockquote>
    <br>
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