Mail Administration Guide
    
P
 
 percent sign (%), in mailbox names ( Index Term Link )
 
 permissions
  See security
 
 PID, listing for listening daemon ( Index Term Link )
 
 planning mail systems ( Index Term Link )
 
 postmaster alias
  NIS or NIS+ ( Index Term Link ) ( Index Term Link )
  /etc/mail/aliases file ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  setting up ( Index Term Link ) ( Index Term Link )
 
 postmaster mailbox ( Index Term Link )
  creating ( Index Term Link ) ( Index Term Link )
  necessity for ( Index Term Link )
  testing ( Index Term Link )
 
 PostScript files, mailbox space requirements and ( Index Term Link )
 
 printing
  mail queue ( Index Term Link ) ( Index Term Link )
 
 problems
  See debugging
 
 programs
  See also specific programs
  mail services ( Index Term Link ) ( Index Term Link )
 
 protocols
  See also Ethernet; SMTP; TCP/IP; UUCP
  sendmail program and ( Index Term Link )