Managing Linux® Systems with Webmin™ System Administration and Module Development

37.6. Managing Virtual Address Mappings

Address mappings are similar to aliases, except that they apply only to email sent to a specific user and domain, rather than to a user at any domain as aliases do. Another difference is that address mappings can only forward email to a single address, rather than to a program, file, or list of addresses. This limitation, however, can be overcome by combining both mappings and aliases.

You can use address mappings to send email to [e-mail] and [e-mail] to different final destinations, even though your server hosts both domains. This is particularly useful if you manage a large number of email domains for different customers, many of whom want to have similar addresses (such as sales) in their ...