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postfix: Switch from db to lmdb

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DB is slated for remove in BLFS 12.1, so switch from it now.

Though postfix supports various DB formats, the only formats can be used
for postmap are btree, cdb, dbm, hash, lmdb, and sdbm.  btree and hash
needs db; cdb, dbm, sdbm needs something out of BLFS.  So lmdb should be
recommended or we'll have no postmap support.
This commit is contained in:
Xi Ruoyao 2023-11-21 10:39:54 +08:00
parent c94de90573
commit 90066bfaf2
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GPG Key ID: ACAAD20E19E710E3
1 changed files with 49 additions and 15 deletions
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64
server/mail/postfix.xml
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@ -86,13 +86,14 @@
<bridgehead renderas="sect4">Recommended</bridgehead>
<para role="recommended">
<xref linkend="db"/>,
<xref linkend="cyrus-sasl"/>, and
<xref linkend="libnsl"/>
<xref linkend="cyrus-sasl"/>,
<xref linkend="libnsl"/>, and
<xref linkend="lmdb"/>
</para>
<bridgehead renderas="sect4">Optional</bridgehead>
<para role="optional">
<xref linkend="db"/>,
<xref linkend="icu"/> for Email Address Internationalization (SMTPUTF8) support,
<xref linkend="mariadb"/> or <ulink url="https://www.mysql.com/">MySQL</ulink>,
<xref linkend="openldap"/>,
@ -161,8 +162,9 @@ chown -v postfix:postfix /var/mail</userinput></screen>
<note>
<para>
For all variants of the CCARGS you should ensure that -DNO_NIS is
specified so that the build does not attempt to access an rpcsvc header
which does not exist in BLFS.
specified so that the build does not attempt to access an rpcsvc
header which do not exist in BLFS. If <xref linkend='db'/> is
not installed, -DNO_DB needs to be specified as well.
</para>
</note>
@ -178,9 +180,20 @@ chown -v postfix:postfix /var/mail</userinput></screen>
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/include/sasl'
<screen><literal>CCARGS="-DNO_NIS -DNO_DB \
-DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/include/sasl"
AUXLIBS='-lsasl2'</literal></screen>
</sect4>
<sect4>
<title>LMDB</title>
<para>
To use <application>LMDB</application> with
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DNO_DB -DHAS_LMDB'
AUXLIBS_LMDB='-llmdb'</literal></screen>
</sect4>
<sect4>
@ -191,7 +204,7 @@ AUXLIBS='-lsasl2'</literal></screen>
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DHAS_LDAP'
<screen><literal>CCARGS='-DNO_NIS -DNO_DB -DHAS_LDAP'
AUXLIBS='-lldap -llber'</literal></screen>
</sect4>
@ -204,7 +217,7 @@ AUXLIBS='-lldap -llber'</literal></screen>
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DHAS_SQLITE'
<screen><literal>CCARGS='-DNO_NIS -DNO_DB -DHAS_SQLITE'
AUXLIBS='-lsqlite3 -lpthread'</literal></screen>
</sect4>
@ -217,7 +230,7 @@ AUXLIBS='-lsqlite3 -lpthread'</literal></screen>
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DHAS_MYSQL -I/usr/include/mysql'
<screen><literal>CCARGS='-DNO_NIS -DNO_DB -DHAS_MYSQL -I/usr/include/mysql'
AUXLIBS='-lmysqlclient -lz -lm'</literal></screen>
</sect4>
@ -230,7 +243,7 @@ AUXLIBS='-lmysqlclient -lz -lm'</literal></screen>
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DHAS_PGSQL -I/usr/include/postgresql'
<screen><literal>CCARGS='-DNO_NIS -DNO_DB -DHAS_PGSQL -I/usr/include/postgresql'
AUXLIBS='-lpq -lz -lm'</literal></screen>
</sect4>
@ -244,7 +257,7 @@ AUXLIBS='-lpq -lz -lm'</literal></screen>
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DHAS_CDB'
<screen><literal>CCARGS='-DNO_NIS -DNO_DB -DHAS_CDB'
AUXLIBS='<replaceable>&lt;/path/to/CDB&gt;</replaceable>/libcdb.a'</literal></screen>
</sect4>
@ -257,7 +270,7 @@ AUXLIBS='<replaceable>&lt;/path/to/CDB&gt;</replaceable>/libcdb.a'</literal></sc
<application>Postfix</application>, use the following arguments:
</para>
<screen><literal>CCARGS='-DNO_NIS -DUSE_TLS -I/usr/include/openssl/'
<screen><literal>CCARGS='-DNO_NIS -DNO_DB -DUSE_TLS -I/usr/include/openssl/'
AUXLIBS='-lssl -lcrypto'</literal></screen>
</sect4>
@ -268,14 +281,17 @@ AUXLIBS='-lssl -lcrypto'</literal></screen>
<para>
Adjust the following according to your needs. For example,
if you have <application>Cyrus SASL</application>,
if you have <application>Cyrus SASL</application> and
<application>LMDB</application>,
install <application>Postfix</application> by running the following
commands:
</para>
<screen><userinput>make CCARGS="-DNO_NIS -DUSE_TLS -I/usr/include/openssl/ \
-DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/include/sasl" \
<screen><userinput>make CCARGS="-DNO_NIS -DNO_DB -DUSE_TLS -I/usr/include/openssl/ \
-DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/include/sasl \
-DHAS_LMDB" \
AUXLIBS="-lssl -lcrypto -lsasl2" \
AUXLIBS_LMDB="-llmdb" \
makefiles &amp;&amp;
make</userinput></screen>
@ -377,6 +393,24 @@ EOF</userinput></screen>
should be checked and duplicate aliases removed, if present.
</para>
<para>
The BLFS editors recommend to use LMDB instead of Berkeley DB for
Postfix lookup tables. Add a line into
<filename>/etc/postfix/main.cf</filename> to make
<command>postmap</command> to encode the lookup tables in the LMDB
format by default:
</para>
<screen role="root"><userinput>echo 'default_database_type = lmdb' &gt;&gt; /etc/postfix/main.cf</userinput></screen>
<para>
Note that if you are following an online tutorial to configure
Postfix, the tutorial may refer to a lookup table with
<literal>hash:/path/to/lookup_table</literal>. You should replace
<literal>hash</literal> with <literal>lmdb</literal> in order to use
a lookup table encoded in the LMDB format.
</para>
<note>
<para>
The <filename>/etc/postfix/main.cf</filename> and