SMTP認証を有効にしたpostfixのインストールメモ

★db-4.7.25
http://www.oracle.com/technology/software/products/berkeley-db/index.html
$ cd build_unix
$ ../dist/configure
$ make
# make install

★cyrus-sasl-2.1.22
http://cyrusimap.web.cmu.edu/downloads.html#sasl
$ ./configure -with-dblib=berkeley --with-bdb-libdir=/usr/local/BerkeleyDB.4.7/lib --with-bdb-incdir=/usr/local/BerkeleyDB.4.7/include
$ make check
# make install
# ln -s /usr/local/lib/sasl2 /usr/lib

★postfix-2.5.6
http://www.postfix.org/download.html
$ make makefiles CCARGS="-DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/local/include/sasl" AUXLIBS="-L/usr/local/lib -lsasl2"
$ make
# make install
※パラメーターを聞かれるがすべてデフォルトのまま[Enter]

# vi /etc/postfix/main.cf
relayhost = [mail.so-net.ne.jp]:587
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/isp_auth
smtp_sasl_security_options = noanonymous
smtp_sasl_mechanism_filter = plain, login

# vi /etc/postfix/isp_auth
mail.so-net.ne.jp [e-mail]:password

# /usr/sbin/postmap /etc/postfix/isp_auth