Note that if two delivery agents have the same name, all the delivery agent equates
for the second definition replace those for the first. Therefore, the last definition for a
particular symbolic name is the one that is used.
The cumulative result of all delivery agent declarations can be seen by using the -d0.15
debugging switch(?§15.7.6 on page 544) or the =M rule-testing command (?§8.4.2 on
page 307).
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20.3 The mc Configuration Syntax | 713
20.2.1 Required Symbolic Names
Only the local delivery agent is required,* so if that required definition is missing,
sendmail prints the following warning message but continues to run:
No local mailer defined.
20.3 The mc Configuration Syntax
Under V8 sendmail??™s mc configuration technique, you include delivery agent definitions
in your configuration file using the MAILER( ) mc command. The form for that
command looks like this:
MAILER(`name??)
For example, SMTP and UUCP support can be included in your file by using the following
two commands:
MAILER(`smtp??)
MAILER(`uucp??)
If you include MAILER definitions for procmail, or uucp, those definitions must
always follow the definition for smtp. Note, too, that any modification of a MAILER
definition (as, for example, withUUCP_MAILER_MAX) must precede that MAILER
definition:
define(`UUCP_MAILER_MAX??, `1000000??) ?†? here
MAILER(`uucp??)
define(`UUCP_MAILER_MAX??, `1000000??) ?†? not here
The delivery agent M definitions that correspond to MAILER( ) commands are kept in
the cf/mailer directory.
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