The following table describes the procedures for administering mail alias files. For more information on this topic, refer to Mail Alias Files in Chapter 26, Mail Services (Reference).
| 
 Task  | 
 Description  | 
 For Instructions  | 
|---|---|---|
| 
 Managing alias entries in an NIS+ mail_aliases table  | 
 If your name service is NIS+, use these procedures to manage the contents of your mail_aliases table. Learn how to list, add, edit, and delete entries.  | |
| 
 Setting up an NIS mail.aliases map  | 
 If your name service is NIS, follow these instructions to facilitate aliasing with a mail.aliases map.  | |
| 
 Setting up a local mail alias file  | 
 If you are not using a name service (such as NIS or NIS+), follow these instructions to facilitate aliasing with the /etc/mail/aliases file.  | |
| 
 Creating a keyed map file  | 
 Use these steps to facilitate aliasing with a keyed map file.  | |
| 
 Setting up the postmaster alias  | 
 Use the procedures in this section to manage the postmaster alias. You must have this alias.  |