virtusertable:     

   DNS- MX     
  .         -
,      .  virtusertable  
 ,    (     aliases).

   Red Hat  virtusertable  sendmail -
.    ,     
 /etc/mail/virtusertable   sendmail.  virtusertable  
 aliases (.  "  "    ),   
     ,   .  
 virtusertable     , 
  ,   sendmail   .    
aliases,      ,  
,     (])   .

    virtusertable  , 
  zach@tcorp.com,   zcs:

zach@tcorp.com      zcs
        :

sams@bravo.com       sams@tcorp.com

  ,  ,   ,  
 .       -
  bravo, corn  tcorp.com,       
@bravo.com.  sendmail  ,    %1  -
  .     , -
 bravo. corn,  tcorp. corn,    :

@bravo.com          il@tcorp.com

, ,    error:  ,  ,  -
 ,   .    -
    spam@tcorp. corn,   5.7.0:550  :

spam@tcorp.com      error:5.7.0:550 Invalid address

forward, aliases  virtusertable.  . forward, aliases  virtusertable  
   :   ,   -
,  .          
- .       (. 20.1).

 20.1.   

	.forward	a/i'ases	virtusertable
 	 root	root	root
 , ...	 root	       	       ,  sendmail
 			

642  V.     