# cd /usr/local/mysql/lib/mysql/
# cp * /usr/local/lib
# cd /usr/local/mysql/include/
# cp * /usr/local/include/

Download cyrus-sasl-2.1.19 dan patchnya, kemudian ekstrak dan lakukan patching

# cd /cyrus-sasl-2.1.19
# patch -p1 < ../cyrus-sasl-2.1.19-checkpw.c+sql.c.patch. # ./configure --enable-static --enable-shared --enable-sql --with-mysql=/usr/local/mysql --enable-login --disable-otp --disable-ntlm # make && make install # ln -s /usr/local/lib/sasl2 /usr/lib/sasl2 # cd /usr/local/lib/sasl2 # cp *sql* /lib/ # vi /usr/local/lib/sasl2/smtpd.conf pwcheck_method: auxprop auxprop_plugin: sql sql_engine: mysql mech_list: DIGEST-MD5 CRAM-MD5 PLAIN LOGIN sql_engine: mysql sql_hostnames: localhost sql_user: dbmail sql_passwd: s3cr3t sql_database: dbmail sql_verbose: yes sql_select: SELECT passwd FROM dbmail_users WHERE userid = '%u@%r' # cd postfix-2.4.5 # make tidy
# make makefiles CCARGS="-DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/local/include/sasl" AUXLIBS="-L/usr/local/lib/ -lsasl2" atau
# make makefiles CCARGS="-DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/local/include/sasl -DHAS_MYSQL -I/usr/local/mysql/include/mysql" AUXLIBS="-L/usr/local/lib/ -lsasl2 -L/usr/local/mysql/ -lmysqlclient -lz -lm"

# make install

tambahkan baris berikut pada /etc/postfix/main.cf
smtpd_recipient_restrictions =
reject_unauth_pipelining
reject_non_fqdn_recipient
reject_unknown_recipient_domain
permit_mynetworks
permit_sasl_authenticated
reject_unauth_destination
permit

broken_sasl_auth_clients = yes
smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous

=== Selesai ===

/usr/local/sbin/saslauthd:
libgssapi.so.7 => /usr/lib/libgssapi.so.7 (0x2807e000)
libkrb5.so.7 => /usr/lib/libkrb5.so.7 (0x2808c000)
libasn1.so.7 => /usr/lib/libasn1.so.7 (0x280c4000)
libroken.so.7 => /usr/lib/libroken.so.7 (0x280e5000)
libcrypt.so.2 => /lib/libcrypt.so.2 (0x280f3000)
libcrypto.so.3 => /lib/libcrypto.so.3 (0x2810b000)
libcom_err.so.2 => /usr/lib/libcom_err.so.2 (0x28202000)
libpam.so.2 => /usr/lib/libpam.so.2 (0x28204000)
libc.so.5 => /lib/libc.so.5 (0x2820b000)

/usr/sbin/postfix:
libsasl2.so.2 => /usr/local/lib/libsasl2.so.2 (0x28083000)
libc.so.5 => /lib/libc.so.5 (0x28096000)
libcrypt.so.2 => /lib/libcrypt.so.2 (0x28170000)

/usr/libexec/postfix/smtpd:
libsasl2.so.2 => /usr/local/lib/libsasl2.so.2 (0x280b6000)
libc.so.5 => /lib/libc.so.5 (0x280c9000)
libcrypt.so.2 => /lib/libcrypt.so.2 (0x281a3000)


mail-h# telnet smtpku.co.id 25
Trying 203.134.232.67...
Escape character is '^]'.
220 smtpku.co.id ESMTP Postfix
ehlo a
250-PIPELINING
250-SIZE 5120000
250-VRFY
250-ETRN
250-AUTH LOGIN PLAIN DIGEST-MD5 CRAM-MD5
250-AUTH=LOGIN PLAIN DIGEST-MD5 CRAM-MD5
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN