Deploying to gh-pages from @ mailcow/mailcow-dockerized-docs@f215041b83 🚀

2021-05-04 10:38:49 +00:00 · 2021-05-04 10:38:49 +00:00 · b2a68a50a1
Commit b2a68a50a1
--- a/firststeps-trust_networks/index.html
+++ b/firststeps-trust_networks/index.html
@ -62,6 +62,11 @@
    <label class="md-overlay" for="__drawer"></label>
    <div data-md-component="skip">
      
+        
+        <a href="#unauthenticated-relaying" class="md-skip">
+          Skip to content
+        </a>
+      
    </div>
    <div data-md-component="announce">
      
@ -491,10 +496,58 @@
      
      
      
+        <label class="md-nav__link md-nav__link--active" for="__toc">
+          Add trusted networks
+          <span class="md-nav__icon md-icon"></span>
+        </label>
+      
      <a href="./" class="md-nav__link md-nav__link--active">
        Add trusted networks
      </a>
      
+        
+<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
+  
+  
+  
+  
+    <label class="md-nav__title" for="__toc">
+      <span class="md-nav__icon md-icon"></span>
+      Table of contents
+    </label>
+    <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#unauthenticated-relaying" class="md-nav__link">
+    Unauthenticated relaying
+  </a>
+  
+    <nav class="md-nav" aria-label="Unauthenticated relaying">
+      <ul class="md-nav__list">
+        
+          <li class="md-nav__item">
+  <a href="#ipv4-hostssubnets" class="md-nav__link">
+    IPv4 hosts/subnets
+  </a>
+  
+</li>
+        
+          <li class="md-nav__item">
+  <a href="#ipv6-hostssubnets" class="md-nav__link">
+    IPv6 hosts/subnets
+  </a>
+  
+</li>
+        
+      </ul>
+    </nav>
+  
+</li>
+      
+    </ul>
+  
+</nav>
+      
    </li>
  

@ -1824,6 +1877,56 @@
            
            
              
+              <div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    
+<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
+  
+  
+  
+  
+    <label class="md-nav__title" for="__toc">
+      <span class="md-nav__icon md-icon"></span>
+      Table of contents
+    </label>
+    <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#unauthenticated-relaying" class="md-nav__link">
+    Unauthenticated relaying
+  </a>
+  
+    <nav class="md-nav" aria-label="Unauthenticated relaying">
+      <ul class="md-nav__list">
+        
+          <li class="md-nav__item">
+  <a href="#ipv4-hostssubnets" class="md-nav__link">
+    IPv4 hosts/subnets
+  </a>
+  
+</li>
+        
+          <li class="md-nav__item">
+  <a href="#ipv6-hostssubnets" class="md-nav__link">
+    IPv6 hosts/subnets
+  </a>
+  
+</li>
+        
+      </ul>
+    </nav>
+  
+</li>
+      
+    </ul>
+  
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+          
          <div class="md-content" data-md-component="content">
            <article class="md-content__inner md-typeset">
              
@ -1835,12 +1938,30 @@
                
                  <h1>Add trusted networks</h1>
                
-                <p>Per default mailcow considers all networks as untrusted, except for its own IPV4_NETWORK and IPV6_NETWORK scope. Though it is reasonable in most cases, you may want to loosen this restriction under certain circumstances to allow connections from other networks.</p>
-<p>To change this behaviour override the default value of <code>mynetworks</code> parameter through the <code>data/conf/postfix/extra.cf</code> configuration file.</p>
-<p><strong>Important</strong>: Do <strong>not</strong> remove the networks listed as <code>IPV4_NETWORK</code> and <code>IPV6_NETWORK</code> in your mailcow.conf. You should also keep local addresses. To add <code>1.2.3.4/32</code> it may look like the configuration below:</p>
-<div class="highlight"><pre><span></span><code>mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 [fe80::]/10 172.22.1.0/24 [fd4d:6169:6c63:6f77::]/64 1.2.3.4/32
+                <p>By default mailcow considers <strong>all networks as untrusted</strong> excluding its own IPV4_NETWORK and IPV6_NETWORK scopes. Though it is reasonable in most cases, there may be circumstances that you need to loosen this restriction.</p>
+<p>By default mailcow uses <code>mynetworks_style = subnet</code> to determine internal subnets and leaves <code>mynetworks</code> unconfigured.</p>
+<p>If you decide to set <code>mynetworks</code>, Postfix ignores the mynetworks_style setting. This means you <strong>have to</strong> add the IPV4_NETWORK and IPV6_NETWORK scopes as well as loopback subnets manually!</p>
+<h2 id="unauthenticated-relaying">Unauthenticated relaying<a class="headerlink" href="#unauthenticated-relaying" title="Permanent link">&para;</a></h2>
+<div class="admonition warning">
+<p class="admonition-title">Warning</p>
+</div>
+<p>Incorrect setup of <code>mynetworks</code> will allow your server to be used as an open relay. If abused, this <strong>will</strong> affect your ability to send emails and can take some time to be resolved.</p>
+<h3 id="ipv4-hostssubnets">IPv4 hosts/subnets<a class="headerlink" href="#ipv4-hostssubnets" title="Permanent link">&para;</a></h3>
+<p>To add the subnet <code>192.168.2.0/24</code> to the trusted networks you may use the following configuration, depending on your IPV4_NETWORK and IPV6_NETWORK scopes:</p>
+<p>Edit <code>data/conf/postfix/extra.cf</code>:</p>
+<div class="highlight"><pre><span></span><code>mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 [fe80::]/10 172.22.1.0/24 [fd4d:6169:6c63:6f77::]/64 192.168.2.0/24
 </code></pre></div>
-<p>Per default we use "mynetworks_style = subnet" to only include local networks we are part of.</p>
+<p>Run <code>docker-compose restart postfix-mailcow</code> to apply your new settings.</p>
+<h3 id="ipv6-hostssubnets">IPv6 hosts/subnets<a class="headerlink" href="#ipv6-hostssubnets" title="Permanent link">&para;</a></h3>
+<p>Adding IPv6 hosts is done the same as IPv4, however the subnet needs to be placed in brackets <code>[]</code> with the netmask appended.</p>
+<p>To add the subnet 2001:db8::/32 to the trusted networks you may use the following configuration, depending on your IPV4_NETWORK and IPV6_NETWORK scopes:</p>
+<p><code>data/conf/postfix/extra.cf
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 [fe80::]/10 172.22.1.0/24 [fd4d:6169:6c63:6f77::]/64 [2001:db8::]/32</code></p>
+<p>Run <code>docker-compose restart postfix-mailcow</code> to apply your new settings.</p>
+<div class="admonition info">
+<p class="admonition-title">Info</p>
+</div>
+<p>More information about mynetworks can be found in the <a href="http://www.postfix.org/postconf.5.html#mynetworks">Postfix documentation</a>.</p>
                
              
              
--- a/prerequisite-dns/index.html
+++ b/prerequisite-dns/index.html
@ -336,7 +336,7 @@
        
          <li class="md-nav__item">
  <a href="#email-test-for-spf-dkim-and-dmarc" class="md-nav__link">
-    Email Test for SPF, DKIM and DMARC:
+    Email test for SPF, DKIM and DMARC:
  </a>
  
 </li>
@ -2000,7 +2000,7 @@
        
          <li class="md-nav__item">
  <a href="#email-test-for-spf-dkim-and-dmarc" class="md-nav__link">
-    Email Test for SPF, DKIM and DMARC:
+    Email test for SPF, DKIM and DMARC:
  </a>
  
 </li>
@ -2098,8 +2098,11 @@ _submission._tcp    IN SRV     0        1      587      mail.example.org. (your
 </ul>
 <h2 id="misc">Misc<a class="headerlink" href="#misc" title="Permanent link">&para;</a></h2>
 <h3 id="optional-dmarc-statistics">Optional DMARC Statistics<a class="headerlink" href="#optional-dmarc-statistics" title="Permanent link">&para;</a></h3>
-<p>If you are interested in statistics, you can additionally register with some of the many below DMARC statistic services, or self-host your own.</p>
-<p><strong>NOTE:</strong> It is worth considering that if you request DMARC statistic reports to your mailcow server, if there are issues with that domain you may not get accurate results. You can consider using an alternative email domain for recieving DMARC reports.</p>
+<p>If you are interested in statistics, you can additionally register with some of the many below DMARC statistic services - or self-host your own.</p>
+<div class="admonition tip">
+<p class="admonition-title">Tip</p>
+</div>
+<p>It is worth considering that if you request DMARC statistic reports to your mailcow server and your mailcow server is not configured correctly to receive these reports, you may not get accurate and complete results. Please consider using an alternative email domain for receiving DMARC reports.</p>
 <p>It is worth mentioning, that the following suggestions are not a comprehensive list of all services and tools avaialble, but only a small few of the many choices.</p>
 <ul>
 <li><a href="https://gmail.com/postmaster">Postmaster Tool</a></li>
@ -2108,12 +2111,13 @@ _submission._tcp    IN SRV     0        1      587      mail.example.org. (your
 <li><a href="https://dmarc.postmarkapp.com">Postmark</a></li>
 <li><a href="https://dmarcian.com/">Dmarcian</a></li>
 </ul>
-<p><strong>NOTE:</strong> The services may provide you with a TXT record, which you would insert into your DNS records as the provider specifies. This record will give you details about spam-classified mails by your domain. However, please ensure to read the providers documentation from the service you choose, as this process may vary and not all providers may use a TXT record.</p>
-<h3 id="email-test-for-spf-dkim-and-dmarc">Email Test for SPF, DKIM and DMARC:<a class="headerlink" href="#email-test-for-spf-dkim-and-dmarc" title="Permanent link">&para;</a></h3>
-<p>To test send an email to the email below and wait for a reply:</p>
-<p><a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;&#99;&#104;&#101;&#99;&#107;&#45;&#97;&#117;&#116;&#104;&#64;&#118;&#101;&#114;&#105;&#102;&#105;&#101;&#114;&#46;&#112;&#111;&#114;&#116;&#50;&#53;&#46;&#99;&#111;&#109;">&#99;&#104;&#101;&#99;&#107;&#45;&#97;&#117;&#116;&#104;&#64;&#118;&#101;&#114;&#105;&#102;&#105;&#101;&#114;&#46;&#112;&#111;&#114;&#116;&#50;&#53;&#46;&#99;&#111;&#109;</a></p>
-<p>You will get a report back that looks like the following:</p>
-<p><div class="highlight"><pre><span></span><code>==========================================================
+<div class="admonition tip">
+<p class="admonition-title">Tip</p>
+</div>
+<p>These services may provide you with a TXT record you need to insert into your DNS records as the provider specifies. Please ensure to read the providers documentation from the service you choose as this process may vary.</p>
+<h3 id="email-test-for-spf-dkim-and-dmarc">Email test for SPF, DKIM and DMARC:<a class="headerlink" href="#email-test-for-spf-dkim-and-dmarc" title="Permanent link">&para;</a></h3>
+<p>To run a rudimentary email authentication check, send a mail to <code>check-auth at verifier.port25.com</code> and wait for a reply. You will find a report similar to the following:</p>
+<div class="highlight"><pre><span></span><code>==========================================================
 Summary of Results
 ==========================================================
 SPF check:          pass
@ -2127,7 +2131,7 @@ Details:
 ==========================================================
 ....
 </code></pre></div>
-The full report will contain more technical details this is just the first section, we found this to be quite usful for testing both outgoing mail and spam scores.</p>
+<p>The full report will contain more technical details.</p>
 <h3 id="fully-qualified-domain-name-fqdn">Fully Qualified Domain Name (FQDN)<a class="headerlink" href="#fully-qualified-domain-name-fqdn" title="Permanent link">&para;</a></h3>
 <div class="footnote">
 <hr />
--- a/search/search_index.json
+++ b/search/search_index.json
--- a/sitemap.xml
+++ b/sitemap.xml
@ -1,371 +1,371 @@
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     <changefreq>daily</changefreq>
    </url><url>
     <loc>https://mailcow.github.io/mailcow-dockerized-docs/prerequisite-dns/</loc>
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