??? Duplicate values are silently ignored. Therefore, typos in a list of values can
cause an accidentally duplicated entry to be silently excluded.
??? Avoid creating a new class macro name without first checking to see whether it
has already been used. That is, don??™t create a list of UUCP hosts within class $=U
without first checking both for preexisting CU and FU definitions and for rule-set
uses of $=U and $~U. It is perfectly legal for the $=U and $~U expressions to exist in
rule sets without a corresponding CU or FU definition. However, suchempty references
will still cause sendmail to search the string pool.
??? Under V8 sendmail, you can watchyour class macro definitions being formed by
using the -d37.8 debugging switch(?§15.7.45 on page 564). Under other versions
of sendmail, you can only approximate this information by using the -d36.9
debugging switch.
$={checkMIMETextHeaders} ?§22.6.4 on page 871 MIME headers for maximum arbitrary length checking
$=e ?§22.6.5 on page 872 Encode this Content-Transfer-Encoding:
$=k ?§22.6.6 on page 872 The local UUCP name
$=m ?§22.6.7 on page 872 List of local domains
$=n ?§22.6.8 on page 873 Don??™t encode these Content-Types
$={persistentMacros} ?§22.6.9 on page 873 Macros preserved in the qf file
$=q ?§22.6.10 on page 874 Always quoted-printable encode Content-Type:
$=s ?§22.
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