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        <title>Running Docker Mail Server - A Full Stack Email Solution - In Docker</title>
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            <h1>Running Docker Mail Server - A Full Stack Email Solution - In Docker</h1>
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          <h2>What is Docker Mailserver?</h2>

<blockquote>[Docker Mailserver is a] production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade.<i> - <a href="https://github.com/docker-mailserver/docker-mailserver" target="_blank">https://github.com/docker-mailserver/docker-mailserver</a></i></blockquote>

<h2>Installing Docker</h2>

<ol>
	<li>Log into the Linux host and run the following commands in a terminal window
	<div class="codeBlock"># update software repositories<br />
	sudo apt update<br />
	# install prerequisites<br />
	sudo apt install apt-transport-https ca-certificates curl software-properties-common gnupg-agent -y<br />
	# add docker gpg key<br />
	curl -fsSL https://download.docker.com/linux/$(awk -F&#39;=&#39; &#39;/^ID=/{ print $NF }&#39; /etc/os-release)/gpg | sudo apt-key add -<br />
	# add docker software repository<br />
	sudo add-apt-repository &quot;deb [arch=$(dpkg --print-architecture)] https://download.docker.com/linux/$(awk -F&#39;=&#39; &#39;/^ID=/{ print $NF }&#39; /etc/os-release) $(lsb_release -cs) stable&quot;<br />
	# install docker<br />
	sudo apt install docker-ce docker-compose containerd.io -y<br />
	# enable and start docker service<br />
	sudo systemctl enable docker &amp;&amp; sudo systemctl start docker<br />
	# add the current user to the docker group<br />
	sudo usermod -aG docker $USER<br />
	# reauthenticate for the new group membership to take effect<br />
	su - $USER</div>
	</li>
</ol>

<h2>Running Docker Mailserver Container</h2>

<ol>
	<li>Continue with the following commands in a terminal window
	<div class="codeBlock"># create main working directories<br />
	mkdir ~/docker/mailserver/{data,state,logs,config} -p<br />
	# set owner of working directories<br />
	sudo chown &quot;$USER&quot;:&quot;$USER&quot; ~/docker -R<br />
	# run the mailserver container<br />
	docker run -d --name=mailserver --hostname=&quot;$HOSTNAME&quot; --domainname=&quot;docker.local&quot; -p 25:25 -p 143:143 -p 587:587 -p 993:993 -e ENABLE_SPAMASSASSIN=1 -e SPAMASSASSIN_SPAM_TO_INBOX=1 -e ENABLE_CLAMAV=1 -e ENABLE_POSTGREY=1 -e ENABLE_FAIL2BAN=0 -e ENABLE_SASLAUTHD=0 -e ONE_DIR=1 -e TZ=America/New_York -v ~/docker/mailserver/data/:/var/mail/ -v ~/docker/mailserver/state/:/var/mail-state/ -v ~/docker/mailserver/logs/:/var/log/mail/ -v ~/docker/mailserver/config/:/tmp/docker-mailserver/ --restart=unless-stopped mailserver/docker-mailserver<br />
	# create a user/inbox<br />
	docker run --rm -e MAIL_USER=i12bretro@docker.local -e MAIL_PASS=supersecret -it mailserver/docker-mailserver /bin/sh -c &#39;echo &quot;$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)&quot;&#39; &gt;&gt; ~/docker/mailserver/config/postfix-accounts.cf</div>
	</li>
</ol>

<h2>Setting Up An E-Mail Client</h2>

<ol>
	<li>Download Mozilla Thunderbird Portable <a href="https://portableapps.com/apps/internet/thunderbird_portable" target="_blank">Download</a></li>
	<li>Run the downloaded paf.exe file and extract it to any location</li>
	<li>Check the Run box and click Finish</li>
	<li>Fill out Your name, Email address and Password for the account created earlier</li>
	<li>Click Manual config</li>
	<li>For Incoming, enter the DNS name or IP address of the docker host</li>
	<li>For Outgoing, enter the DNS name or IP address of the docker host</li>
	<li>Click the Re-test button, Thunderbird should set some additional values</li>
	<li>Click Done</li>
	<li>Select I understand the risks &gt; Done</li>
	<li>From within Thunderbird, compose a new email address and send it to the inbox created earlier to test internal emails are working</li>
</ol>

<p>Documentation: <a href="https://docker-mailserver.github.io/docker-mailserver/edge/" target="_blank">https://docker-mailserver.github.io/docker-mailserver/edge/</a></p>          </div>
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