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4.3 MAILER Declarations

Delivery agents are declared using the MAILER directive:




The available agent s are listed in the cf/mailer directory (see §19.3.2). For example, consider:


Here, the first includes support for local delivery, delivery to files, and delivery through programs. The second allows the sendmail daemon to accept incoming mail.


Declares cyrus for delivery to the Cyrus IMAP4 server, and cyrusbb for delivery to a Cyrus bulletin board.


Declares fax for delivery to a mail-to-fax gateway.


Declares local for delivery to a local mailbox and prog for delivery through a shell program.


Declares mail11 for delivery to a DECnet/mail11 gateway.


Declares ph , which uses the phquery program to send to the ph directory service.


Declares pop for delivery through the MH spop program.


Declares procmail for delivery using the procmail program.


Declares smtp , which handles SMTP mail; esmtp , which always speaks ESMTP instead of adapting on the basis of the greeting message; smtp8 , which always uses sends-8-bit data directly; and relay , which uses SMTP with minimal rewriting and only works within a single domain.


Declares usenet for delivery to a mail-to-news gateway.


Declares uucp-old , uucp-new , uucp-uudom , and uucp-dom . Use uucp-old if your peers are running very old (V7) versions of UUCP. Use uucp-new if they are running a newer version (e.g., honey danber ) but don't understand domain-based addressing. Use uucp-uudom if your peers use UUCP addresses (e.g., host!user ) in the envelope, but domain-based addresses ( user@host.domain ) in the headers. Use uucp-dom if your peers are completely converted to domain-based addressing. The last two are only defined if MAILER(smtp) is declared before MAILER(uucp).

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4.2 FEATURE Declarations   4.4 Virtual User Tables