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<span class="p p-Indicator">-</span> <span class="nt">name</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">docker-mailserver</span> <span class="p p-Indicator">-</span> <span class="nt">name</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">docker-mailserver</span>
<span class="nt">image</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">mailserver/docker-mailserver:latest</span> <span class="nt">image</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">mailserver/docker-mailserver:latest</span>
<span class="nt">imagePullPolicy</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Always</span> <span class="nt">imagePullPolicy</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Always</span>
<span class="nt">securityContext</span><span class="p">:</span>
<span class="nt">capabilities</span><span class="p">:</span>
<span class="c1"># If Fail2Ban is not enabled, you can remove NET_ADMIN.</span>
<span class="c1"># If you are running on CRI-O, you will need the SYS_CHROOT capability,</span>
<span class="c1"># as it is no longer a default capability.</span>
<span class="nt">add</span><span class="p">:</span> <span class="p p-Indicator">[</span><span class="s">&quot;NET_ADMIN&quot;</span><span class="p p-Indicator">,</span> <span class="s">&quot;SYS_PTRACE&quot;</span><span class="p p-Indicator">,</span> <span class="s">&quot;SYS_CHROOT&quot;</span> <span class="p p-Indicator">]</span>
<span class="nt">volumeMounts</span><span class="p">:</span> <span class="nt">volumeMounts</span><span class="p">:</span>
<span class="p p-Indicator">-</span> <span class="nt">name</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">config</span> <span class="p p-Indicator">-</span> <span class="nt">name</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">config</span>
<span class="nt">subPath</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">postfix-accounts.cf</span> <span class="nt">subPath</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">postfix-accounts.cf</span>
@ -1664,6 +1670,10 @@
<p class="admonition-title">Note</p> <p class="admonition-title">Note</p>
<p>Make sure that <a href="https://kubernetes.io/docs/concepts/workloads/pods/pod">Pod</a> is <a href="https://kubernetes.io/docs/concepts/configuration/assign-pod-node">assigned</a> to specific <a href="https://kubernetes.io/docs/concepts/architecture/nodes">Node</a> in case you're using volume for data directly with <code>hostPath</code>. Otherwise Pod can be rescheduled on a different Node and previous data won't be found. Except the case when you're using some shared filesystem on your Nodes.</p> <p>Make sure that <a href="https://kubernetes.io/docs/concepts/workloads/pods/pod">Pod</a> is <a href="https://kubernetes.io/docs/concepts/configuration/assign-pod-node">assigned</a> to specific <a href="https://kubernetes.io/docs/concepts/architecture/nodes">Node</a> in case you're using volume for data directly with <code>hostPath</code>. Otherwise Pod can be rescheduled on a different Node and previous data won't be found. Except the case when you're using some shared filesystem on your Nodes.</p>
</div> </div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>If you experience issues with processes crashing showing an error like <code>operation not permitted</code> or <code>postfix/pickup[987]: fatal: chroot(/var/spool/postfix): Operation not permitted</code>, then you should add the <code>SYS_CHROOT</code> capability. Runtimes like CRI-O do not ship with this capability by default.</p>
</div>
<h2 id="exposing-to-the-outside-world"><a class="toclink" href="#exposing-to-the-outside-world">Exposing to the Outside World</a></h2> <h2 id="exposing-to-the-outside-world"><a class="toclink" href="#exposing-to-the-outside-world">Exposing to the Outside World</a></h2>
<p>The hard part with Kubernetes is to expose deployed mailserver to outside world. Kubernetes provides multiple ways for doing that. Each has its downsides and complexity.</p> <p>The hard part with Kubernetes is to expose deployed mailserver to outside world. Kubernetes provides multiple ways for doing that. Each has its downsides and complexity.</p>
<p>The major problem with exposing mailserver to outside world in Kubernetes is to <a href="https://kubernetes.io/docs/tutorials/services/source-ip">preserve real client IP</a>. Real client IP is required by mailserver for performing IP-based SPF checks and spam checks.</p> <p>The major problem with exposing mailserver to outside world in Kubernetes is to <a href="https://kubernetes.io/docs/tutorials/services/source-ip">preserve real client IP</a>. Real client IP is required by mailserver for performing IP-based SPF checks and spam checks.</p>

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<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url> <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/introduction/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/introduction/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/setup.sh/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/setup.sh/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/environment/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/environment/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/accounts/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/accounts/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/aliases/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/user-management/aliases/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dkim/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dkim/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dmarc/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/dmarc/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/spf/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/spf/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/autodiscover/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/best-practices/autodiscover/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/understanding-the-ports/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/understanding-the-ports/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/ssl/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/ssl/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/fail2ban/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/fail2ban/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/mail_crypt/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/security/mail_crypt/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/troubleshooting/debugging/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/troubleshooting/debugging/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/pop3/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/pop3/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/optional-config/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/optional-config/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/maintenance/update-and-cleanup/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/maintenance/update-and-cleanup/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/dovecot/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/dovecot/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/postfix/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/postfix/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/user-patches/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/override-defaults/user-patches/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/auth-ldap/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/auth-ldap/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-sieve/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-sieve/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-fetchmail/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-fetchmail/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/relay-hosts/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/relay-hosts/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/aws-ses/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/mail-forwarding/aws-ses/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/full-text-search/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/full-text-search/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/kubernetes/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/kubernetes/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/ipv6/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/config/advanced/ipv6/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/basic-installation/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/basic-installation/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/mailserver-behind-proxy/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/tutorials/mailserver-behind-proxy/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/examples/uses-cases/forward-only-mailserver-with-ldap-authentication/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/faq/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/faq/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/issues-and-pull-requests/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/issues-and-pull-requests/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/coding-style/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/coding-style/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/tests/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/tests/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url><url> </url><url>
<loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/documentation/</loc> <loc>https://docker-mailserver.github.io/docker-mailserver/edge/contributing/documentation/</loc>
<lastmod>2021-05-22</lastmod> <lastmod>2021-05-26</lastmod>
<changefreq>daily</changefreq> <changefreq>daily</changefreq>
</url> </url>
</urlset> </urlset>