  (')      (').  SMTP-
  Internet-    smtp.myisp.com,  -
     :

dni define('SMART_HOST','smtp.your.provider')

 sendmail.   sendmail    sendmail.cf 
   sendmail.me:

 /sbin/service sendmail restart

.  sendmail    :

$ echo " sendmail test" | /usr/sbin/sendmail ^.

  ^ ,     ,
  .   ,  sendmail   ,
     .

  II: 
sendmail  

     ,    
  ,  sendmail      .  -
  ,    .  :

       .

       ,  -
 .

      .

    ,    .  , -
      ,   "access:

  "    .    ,
        25  
    25.

   sendmail. me,  sendmail   
   ,  

DAEMON_OPTIONS('Port=smtp,Addr=127.0.0.1, Name=MTA')dnl

 sendmail       ,   
  Addr= 127.0.0.1:

DAEMON_OPTIONS('Port=smtp, Name=MTA')dni

  sendmail  ,    SMTP-
,     sendmail      -
 ,    . (SMART_HOST   
   .)

  sendmail    , 
 ,   DNS   MX (.  "MX"   "

 20. sendmail:   ,     633