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Commit 8ef5e3a1 authored by Goik Martin's avatar Goik Martin
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Some cosmetics and links

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......@@ -13,38 +13,37 @@
<itemizedlist>
<listitem>
<para xlink:href="http://www.w3.org">Good starting point and
Installguide (in German) but for CentoOS <link
xlink:href="???">dokuwiki.nausch.org</link>.</para>
<para>Good starting point and Installguide (in German) but for CentoOS
<link
xlink:href="dokuwiki.nausch.org">dokuwiki.nausch.org</link>.</para>
</listitem>
<listitem>
<para><link xlink:href="???">Installguide on Debian</link></para>
<para>Installguide on Debian</para>
</listitem>
<listitem>
<para><link xlink:href="???">Postfix Dokumentation</link></para>
<para xml:lang="de">Postfix Dokumentation</para>
</listitem>
<listitem>
<para>Das Postfix-Buch : sichere Mailserver mit Linux von Peer
Heinlein</para>
<para xml:lang="de">Das Postfix-Buch : sichere Mailserver mit Linux
von Peer Heinlein</para>
</listitem>
<listitem>
<para><link xlink:href="???">Eigener Mailserver mit Postfix und
Dovecot</link></para>
<para xml:lang="de">Eigener Mailserver mit Postfix und Dovecot</para>
</listitem>
<listitem>
<para><link xlink:href="???">Postfix einrichten und
absichern</link></para>
<para xml:lang="de">Postfix einrichten und absichern</para>
</listitem>
<listitem>
<para>Wikipedia eg. <link
<para><orgname>Wikipedia</orgname>: <link
xlink:href="https://de.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol">SMTP</link>,
Mailserver, IMAP, Maildir</para>
mail server, <acronym>IMAP</acronym>,
<acronym>Maildir</acronym></para>
</listitem>
</itemizedlist>
......@@ -53,38 +52,53 @@
<itemizedlist>
<listitem>
<para>What is an MTA, MDA and MUA?</para>
<para>What are:<itemizedlist>
<listitem>
<para><acronym>MTA</acronym></para>
</listitem>
<listitem>
<para><acronym>MDA</acronym></para>
</listitem>
<listitem>
<para><acronym>MUA</acronym></para>
</listitem>
</itemizedlist></para>
</listitem>
<listitem>
<para>difference between MBOX and Maildir</para>
<para>The difference between <acronym>MBOX</acronym> and
<acronym>Maildir</acronym></para>
</listitem>
<listitem>
<para>What is SASL and where to use it?</para>
<para>What is <acronym>SASL</acronym> and where do we use it?</para>
</listitem>
<listitem>
<para>What disadvantage or advantage is it when using Postfix in a
Chroot</para>
<para>What advantages and disadvantage are to be considered when
running Postfix in a <command
xlink:href="http://linux.die.net/man/1/chroot">chroot</command>
environment?</para>
</listitem>
<listitem>
<para>Common Config Files like master.cf and main.cf. Which to use
when?</para>
<para>Which purposes are being addressed by the configuration files
<filename>master.cf</filename> and
<filename>main.cf</filename>?</para>
</listitem>
<listitem>
<para>What are local domains and virtual domains?</para>
<para>What are local and virtual domains?</para>
</listitem>
<listitem>
<para>What are smtpd_*_restrictions? Why are the used and what
for?</para>
<para>What do smtpd_*_restrictions account for?</para>
</listitem>
<listitem>
<para>what is an open relay?</para>
<para>What is an open relay?</para>
</listitem>
</itemizedlist>
</section>
......@@ -92,8 +106,8 @@
<section xml:id="sdiMailExercises">
<title>Exercises</title>
<para>Our aim is to install and configure the MTA Postfix with many
features used in production today.</para>
<para>Our aim is to install and configure the <acronym>MTA</acronym>
Postfix with many features used in production today.</para>
<section xml:id="sdiMailBlah">
<title>Install and send to local Users</title>
......@@ -101,7 +115,7 @@
<para>Install postfix. If asked use "No Configuration". Later it is
maybe needed to install extra postfix-* packages.</para>
<programlisting>apt-get install postfix</programlisting>
<programlisting language="none">apt-get install postfix</programlisting>
<itemizedlist>
<listitem>
......@@ -110,7 +124,9 @@
</listitem>
<listitem>
<para>add a local linux user (eg. with useradd)</para>
<para>add a local <productname>Linux</productname> user (<command
xlink:href="http://linux.die.net/man/8/useradd">useradd</command> is
your friend!)</para>
</listitem>
<listitem>
......@@ -126,20 +142,21 @@
<listitem>
<para>add an alias to <filename>/etc/aliases</filename> and try to
send an email to the new aliase</para>
send an email to this newly defined alias</para>
</listitem>
<listitem>
<para>add mx records for both VMs to your DNS Setup</para>
<para>add <acronym>mx</acronym> records on both VMs to your <xref
linkend="glo_DNS"/> Setup</para>
</listitem>
<listitem>
<para>try to send an email via your second maschine (sdiXb) to the
user on frist maschine (sdXa)</para>
<para>try to send an email via your second host (sdiXb) to the user
being defined on your first host (sdXa).</para>
<itemizedlist>
<listitem>
<para>meaning use telnet from your local maschine to sdiXb and
<para>meaning use telnet on your local host system to sdiXb and
send a mail to a user on sdXa</para>
</listitem>
......@@ -160,7 +177,8 @@
</listitem>
<listitem>
<para>install a sasl implementation (cyrus or dovecot)</para>
<para>install a <acronym>sasl</acronym> implementation
(<command>cyrus</command> or <command>dovecot</command>)</para>
<itemizedlist>
<listitem>
......@@ -168,7 +186,8 @@
</listitem>
<listitem>
<para>then bind your sasl auth to your existing ldap</para>
<para>then bind your <acronym>sasl</acronym> authentication to
your existing <xref linkend="glo_LDAP"/>.</para>
</listitem>
</itemizedlist>
</listitem>
......@@ -176,46 +195,48 @@
<itemizedlist>
<listitem>
<para>try again sending an email via second maschine to a user on
the first maschine and use your authentication</para>
<para>try again sending an email via your second host to a user on
the first host using authentication</para>
</listitem>
<listitem>
<para>use an Emailclient (MUA) like thunderbird to send
emails</para>
<para>use an email client (<acronym>MUA</acronym>) like
<productname>thunderbird</productname> for sending emails</para>
</listitem>
<listitem>
<para>add an fantasie domain to your DNS Setup and set the mx record
to your mailservers</para>
<para>add an fantasy domain to your <xref linkend="glo_DNS"/> Setup
and let its <acronym>mx</acronym> record point to your
mailserver</para>
</listitem>
<listitem>
<para>add that domain to your mailsetup</para>
<para>add that domain to your mail setup</para>
</listitem>
<listitem>
<para>now configure emailadresses with this domain</para>
<para>now configure email addresses within this domain</para>
<itemizedlist>
<listitem>
<para>put this virtual emailadresses in
<para>define these virtual email addresses in
<filename>/etc/postfix/virtual</filename></para>
</listitem>
<listitem>
<para>configure a virtual emailadresse to your local
users</para>
<para>configure a virtual email address pointing to your local
user</para>
</listitem>
<listitem>
<para>configure a virtual emailadresse to your own hdm
emailadresse</para>
<para>configure a virtual email address pointing to your own
<orgname>HdM</orgname> mail account.</para>
</listitem>
<listitem>
<tip>
<para>Read about postmap</para>
<para>Read about <command
xlink:href="http://linux.die.net/man/1/postmap">postmap</command>.</para>
</tip>
</listitem>
</itemizedlist>
......@@ -223,7 +244,7 @@
</itemizedlist>
</section>
<section>
<section xml:id="sdiSectSpamVirusDefense">
<title>Spam and Virus defense</title>
<para><itemizedlist>
......@@ -232,28 +253,24 @@
</listitem>
<listitem>
<para/>
<programlisting language="none">
</programlisting>
</listitem>
</itemizedlist></para>
<section>
<section xml:id="sdiSectBlackGreyListing">
<title>blacklisting and greylisting</title>
<itemizedlist>
<listitem>
<para>install postgrey and add it to
<para>install the <code>postgrey</code> package and add it to
smtpd_recipient_restrictions</para>
<itemizedlist>
<listitem>
<para>test with sending emails eg. with an telnet or an MUA to
your virtual emailadresse </para>
</listitem>
<para>test sending emails using telnet or a
<acronym>MUA</acronym> to your virtual email address</para>
<listitem>
<tip>
<para>this needs to be done without authentication</para>
</tip>
......@@ -268,39 +285,41 @@
</listitem>
<listitem>
<para>send an email via your second mailserver to a email
account on the firsh and watch the logs. your mailserver will
try again until the mail is send to the mailaccount</para>
<para>send an email via your second mail server to an email
account on your first system and watch the logs. Your mail
server will try again until the mail is send to the intended
mail account</para>
</listitem>
<listitem>
<para>or use <filename>postfix restart</filename> oder
<filename>postfix flush</filename> oder <filename>postsuper -r
QUEUEID</filename> to force resend</para>
<para>Use either of <command>postfix</command>
<option>restart</option>, <command>postfix</command>
<option>flush</option> or <command>postsuper</command>
<option>-r QUEUEID</option> to force resending</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>add some blacklists to your
smtpd_recipient_restrictions</para>
<code>smtpd_recipient_restrictions</code></para>
<itemizedlist>
<listitem>
<para>this can't be tested very well expect building your own
blacklist server but (out of scope)</para>
blacklist server (beyond scope of current exercise)</para>
</listitem>
<listitem>
<para>use add some common blacklist and belive the will work
:)</para>
<para>Supply some common blacklist entries and pretend these
will work.</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>
</section>
<section>
<section xml:id="sdiSectAmavisClamavSpamassassin">
<title>Amavis, Clamav and Spamassasin</title>
<itemizedlist>
......@@ -336,7 +355,7 @@
</itemizedlist>
</section>
<section>
<section xml:id="sdiSectSpf">
<title>SPF (optional)</title>
<para>more Spamprevention technics like DMARC, DKIM, DANE</para>
......
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