19  yum install postfix opendkim
   21  vim /etc/postfix/main.cf
   22  service postfix restart
   23  chkconfig postfix on
   24  chkconfig opendkim on
   25  vi /etc/sysconfig/opendkim
   26  vim /etc/opendkim.conf
   27  vi /etc/opendkim/SigningTable
   28  vi /etc/opendkim/KeyTable
   29  cd /etc/opendkim/keys/
   31  opendkim-genkey -s default
   33  chgrp opendkim default.private
   34  chmod g+r default.private
   35  cat default.txt
   36  dig tmpay.net txt
   37  dig default._domainkey.tmpay.net txt
   38  service opendkim restart
   39  ps wauxf
   40  chkconfig opendkim on
   42  service postfix reload
   43  cd /var/log
   44  ls
   45  tail -f maillog
   46  ps ax|grep dkim
   47  /usr/sbin/opendkim --help
   48  man opendkim.conf
   49  cat maillog
   50  man opendkim.conf
   51  vi /etc/opendkim
   52  vi /etc/opendkim.conf
   53  vi /etc/opendkim/TrustedHosts
   54  service opendkim restart
   55  tail -f maillog
   70  vi /etc/postfix/main.cf
   71  vi /etc/postfix/header_checks
   72  service postfix reload
   73  cat maillog
   74  vi /etc/postfix/main.c
   75  vi /etc/postfix/main.cf
   76  service postfix reload
   77  ll
   78  tail -f maillog
   93  vim /etc/postfix/main.cf
   94  cd /var/log
   95  tail -f maillog
   96  vi /etc/postfix/main.cf
   97  service postfix reload